20227905495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{7561}}^1$

素因数の和:7750

約数の個数: 128

約数和(自身を含む): 43557120000

約数和(自身を除く): 23329214505

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 149, 171, 189, 285, 315, 399, 447, 513, 665, 745, 855, 945, 1043, 1197, 1341, 1995, 2235, 2565, 2831, 3129, 3591, 4023, 5215, 5985, 6705, 7561, 8493, 9387, 14155, 15645, 17955, 19817, 20115, 22683, 25479, 28161, 37805, 42465, 46935, 52927, 59451, 68049, 76437, 99085, 113415, 127395, 140805, 143659, 158781, 178353, 204147, 264635, 297255, 340245, 382185, 430977, 476343, 535059, 718295, 793905, 891765, 1005613, 1020735, 1126589, 1292931, 1429029, 2154885, 2381715, 2675295, 3016839, 3379767, 3878793, 5028065, 5632945, 6464655, 7145145, 7886123, 9050517, 10139301, 15084195, 16898835, 19393965, 21405191, 23658369, 27151551, 30417903, 39430615, 45252585, 50696505, 64215573, 70975107, 107025955, 118291845, 135757755, 149836337, 152089515, 192646719, 212925321, 321077865, 354875535, 449509011, 577940157, 749181685, 963233595, 1064626605, 1348527033, 2247545055, 2889700785, 4045581099, 6742635165, 20227905495]

約数ペア:

[(1, 20227905495), (3, 6742635165), (5, 4045581099), (7, 2889700785), (9, 2247545055), (15, 1348527033), (19, 1064626605), (21, 963233595), (27, 749181685), (35, 577940157), (45, 449509011), (57, 354875535), (63, 321077865), (95, 212925321), (105, 192646719), (133, 152089515), (135, 149836337), (149, 135757755), (171, 118291845), (189, 107025955), (285, 70975107), (315, 64215573), (399, 50696505), (447, 45252585), (513, 39430615), (665, 30417903), (745, 27151551), (855, 23658369), (945, 21405191), (1043, 19393965), (1197, 16898835), (1341, 15084195), (1995, 10139301), (2235, 9050517), (2565, 7886123), (2831, 7145145), (3129, 6464655), (3591, 5632945), (4023, 5028065), (5215, 3878793), (5985, 3379767), (6705, 3016839), (7561, 2675295), (8493, 2381715), (9387, 2154885), (14155, 1429029), (15645, 1292931), (17955, 1126589), (19817, 1020735), (20115, 1005613), (22683, 891765), (25479, 793905), (28161, 718295), (37805, 535059), (42465, 476343), (46935, 430977), (52927, 382185), (59451, 340245), (68049, 297255), (76437, 264635), (99085, 204147), (113415, 178353), (127395, 158781), (140805, 143659)]