20953761808

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{7451}}^1$

素因数の和:7701

約数の個数: 120

約数和(自身を含む): 50247882144

約数和(自身を除く): 29294120336

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 211, 238, 272, 392, 422, 476, 784, 833, 844, 952, 1477, 1666, 1688, 1904, 2954, 3332, 3376, 3587, 5908, 6664, 7174, 7451, 10339, 11816, 13328, 14348, 14902, 20678, 23632, 25109, 28696, 29804, 41356, 50218, 52157, 57392, 59608, 82712, 100436, 104314, 119216, 126667, 165424, 175763, 200872, 208628, 253334, 351526, 365099, 401744, 417256, 506668, 703052, 730198, 834512, 886669, 1013336, 1406104, 1460396, 1572161, 1773338, 2026672, 2812208, 2920792, 3144322, 3546676, 5841584, 6206683, 6288644, 7093352, 11005127, 12413366, 12577288, 14186704, 22010254, 24826732, 25154576, 26726737, 44020508, 49653464, 53453474, 77035889, 88041016, 99306928, 106906948, 154071778, 176082032, 187087159, 213813896, 308143556, 374174318, 427627792, 616287112, 748348636, 1232574224, 1309610113, 1496697272, 2619220226, 2993394544, 5238440452, 10476880904, 20953761808]

約数ペア:

[(1, 20953761808), (2, 10476880904), (4, 5238440452), (7, 2993394544), (8, 2619220226), (14, 1496697272), (16, 1309610113), (17, 1232574224), (28, 748348636), (34, 616287112), (49, 427627792), (56, 374174318), (68, 308143556), (98, 213813896), (112, 187087159), (119, 176082032), (136, 154071778), (196, 106906948), (211, 99306928), (238, 88041016), (272, 77035889), (392, 53453474), (422, 49653464), (476, 44020508), (784, 26726737), (833, 25154576), (844, 24826732), (952, 22010254), (1477, 14186704), (1666, 12577288), (1688, 12413366), (1904, 11005127), (2954, 7093352), (3332, 6288644), (3376, 6206683), (3587, 5841584), (5908, 3546676), (6664, 3144322), (7174, 2920792), (7451, 2812208), (10339, 2026672), (11816, 1773338), (13328, 1572161), (14348, 1460396), (14902, 1406104), (20678, 1013336), (23632, 886669), (25109, 834512), (28696, 730198), (29804, 703052), (41356, 506668), (50218, 417256), (52157, 401744), (57392, 365099), (59608, 351526), (82712, 253334), (100436, 208628), (104314, 200872), (119216, 175763), (126667, 165424)]