20806595820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1\times {\mathrm{787}}^1$

素因数の和:1261

約数の個数: 192

約数和(自身を含む): 65418877440

約数和(自身を除く): 44612281620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 173, 180, 270, 283, 346, 519, 540, 566, 692, 787, 849, 865, 1038, 1132, 1415, 1557, 1574, 1698, 1730, 2076, 2361, 2547, 2595, 2830, 3114, 3148, 3396, 3460, 3935, 4245, 4671, 4722, 5094, 5190, 5660, 6228, 7083, 7641, 7785, 7870, 8490, 9342, 9444, 10188, 10380, 11805, 12735, 14166, 15282, 15570, 15740, 16980, 18684, 21249, 23355, 23610, 25470, 28332, 30564, 31140, 35415, 38205, 42498, 46710, 47220, 48959, 50940, 70830, 76410, 84996, 93420, 97918, 106245, 136151, 141660, 146877, 152820, 195836, 212490, 222721, 244795, 272302, 293754, 408453, 424980, 440631, 445442, 489590, 544604, 587508, 668163, 680755, 734385, 816906, 881262, 890884, 979180, 1113605, 1225359, 1321893, 1336326, 1361510, 1468770, 1633812, 1762524, 2004489, 2042265, 2203155, 2227210, 2450718, 2643786, 2672652, 2723020, 2937540, 3340815, 3676077, 4008978, 4084530, 4406310, 4454420, 4901436, 5287572, 6013467, 6126795, 6609465, 6681630, 7352154, 8017956, 8169060, 8812620, 10022445, 12026934, 12253590, 13218930, 13363260, 14704308, 18380385, 20044890, 24053868, 24507180, 26437860, 30067335, 36760770, 38530733, 40089780, 60134670, 73521540, 77061466, 115592199, 120269340, 154122932, 192653665, 231184398, 346776597, 385307330, 462368796, 577960995, 693553194, 770614660, 1040329791, 1155921990, 1387106388, 1733882985, 2080659582, 2311843980, 3467765970, 4161319164, 5201648955, 6935531940, 10403297910, 20806595820]

約数ペア:

[(1, 20806595820), (2, 10403297910), (3, 6935531940), (4, 5201648955), (5, 4161319164), (6, 3467765970), (9, 2311843980), (10, 2080659582), (12, 1733882985), (15, 1387106388), (18, 1155921990), (20, 1040329791), (27, 770614660), (30, 693553194), (36, 577960995), (45, 462368796), (54, 385307330), (60, 346776597), (90, 231184398), (108, 192653665), (135, 154122932), (173, 120269340), (180, 115592199), (270, 77061466), (283, 73521540), (346, 60134670), (519, 40089780), (540, 38530733), (566, 36760770), (692, 30067335), (787, 26437860), (849, 24507180), (865, 24053868), (1038, 20044890), (1132, 18380385), (1415, 14704308), (1557, 13363260), (1574, 13218930), (1698, 12253590), (1730, 12026934), (2076, 10022445), (2361, 8812620), (2547, 8169060), (2595, 8017956), (2830, 7352154), (3114, 6681630), (3148, 6609465), (3396, 6126795), (3460, 6013467), (3935, 5287572), (4245, 4901436), (4671, 4454420), (4722, 4406310), (5094, 4084530), (5190, 4008978), (5660, 3676077), (6228, 3340815), (7083, 2937540), (7641, 2723020), (7785, 2672652), (7870, 2643786), (8490, 2450718), (9342, 2227210), (9444, 2203155), (10188, 2042265), (10380, 2004489), (11805, 1762524), (12735, 1633812), (14166, 1468770), (15282, 1361510), (15570, 1336326), (15740, 1321893), (16980, 1225359), (18684, 1113605), (21249, 979180), (23355, 890884), (23610, 881262), (25470, 816906), (28332, 734385), (30564, 680755), (31140, 668163), (35415, 587508), (38205, 544604), (42498, 489590), (46710, 445442), (47220, 440631), (48959, 424980), (50940, 408453), (70830, 293754), (76410, 272302), (84996, 244795), (93420, 222721), (97918, 212490), (106245, 195836), (136151, 152820), (141660, 146877)]