20090939440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{7669}}^1$

素因数の和:7935

約数の個数: 160

約数和(自身を含む): 55124596800

約数和(自身を除く): 35033657360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 229, 260, 286, 440, 458, 520, 572, 715, 880, 916, 1040, 1144, 1145, 1430, 1832, 2288, 2290, 2519, 2860, 2977, 3664, 4580, 5038, 5720, 5954, 7669, 9160, 10076, 11440, 11908, 12595, 14885, 15338, 18320, 20152, 23816, 25190, 29770, 30676, 32747, 38345, 40304, 47632, 50380, 59540, 61352, 65494, 76690, 84359, 99697, 100760, 119080, 122704, 130988, 153380, 163735, 168718, 199394, 201520, 238160, 261976, 306760, 327470, 337436, 398788, 421795, 498485, 523952, 613520, 654940, 674872, 797576, 843590, 996970, 1096667, 1309880, 1349744, 1595152, 1687180, 1756201, 1993940, 2193334, 2619760, 3374360, 3512402, 3987880, 4386668, 5483335, 6748720, 7024804, 7975760, 8773336, 8781005, 10966670, 14049608, 17546672, 17562010, 19318211, 21933340, 22830613, 28099216, 35124020, 38636422, 43866680, 45661226, 70248040, 77272844, 87733360, 91322452, 96591055, 114153065, 140496080, 154545688, 182644904, 193182110, 228306130, 251136743, 309091376, 365289808, 386364220, 456612260, 502273486, 772728440, 913224520, 1004546972, 1255683715, 1545456880, 1826449040, 2009093944, 2511367430, 4018187888, 5022734860, 10045469720, 20090939440]

約数ペア:

[(1, 20090939440), (2, 10045469720), (4, 5022734860), (5, 4018187888), (8, 2511367430), (10, 2009093944), (11, 1826449040), (13, 1545456880), (16, 1255683715), (20, 1004546972), (22, 913224520), (26, 772728440), (40, 502273486), (44, 456612260), (52, 386364220), (55, 365289808), (65, 309091376), (80, 251136743), (88, 228306130), (104, 193182110), (110, 182644904), (130, 154545688), (143, 140496080), (176, 114153065), (208, 96591055), (220, 91322452), (229, 87733360), (260, 77272844), (286, 70248040), (440, 45661226), (458, 43866680), (520, 38636422), (572, 35124020), (715, 28099216), (880, 22830613), (916, 21933340), (1040, 19318211), (1144, 17562010), (1145, 17546672), (1430, 14049608), (1832, 10966670), (2288, 8781005), (2290, 8773336), (2519, 7975760), (2860, 7024804), (2977, 6748720), (3664, 5483335), (4580, 4386668), (5038, 3987880), (5720, 3512402), (5954, 3374360), (7669, 2619760), (9160, 2193334), (10076, 1993940), (11440, 1756201), (11908, 1687180), (12595, 1595152), (14885, 1349744), (15338, 1309880), (18320, 1096667), (20152, 996970), (23816, 843590), (25190, 797576), (29770, 674872), (30676, 654940), (32747, 613520), (38345, 523952), (40304, 498485), (47632, 421795), (50380, 398788), (59540, 337436), (61352, 327470), (65494, 306760), (76690, 261976), (84359, 238160), (99697, 201520), (100760, 199394), (119080, 168718), (122704, 163735), (130988, 153380)]