20156293864

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{7951}}^1$

素因数の和:8223

約数の個数: 96

約数和(自身を含む): 45689011200

約数和(自身を除く): 25532717336

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 223, 232, 392, 406, 446, 812, 892, 1421, 1561, 1624, 1784, 2842, 3122, 5684, 6244, 6467, 7951, 10927, 11368, 12488, 12934, 15902, 21854, 25868, 31804, 43708, 45269, 51736, 55657, 63608, 87416, 90538, 111314, 181076, 222628, 230579, 316883, 362152, 389599, 445256, 461158, 633766, 779198, 922316, 1267532, 1558396, 1614053, 1773073, 1844632, 2535064, 3116792, 3228106, 3546146, 6456212, 7092292, 11298371, 12411511, 12912424, 14184584, 22596742, 24823022, 45193484, 49646044, 51419117, 86880577, 90386968, 99292088, 102838234, 173761154, 205676468, 347522308, 359933819, 411352936, 695044616, 719867638, 1439735276, 2519536733, 2879470552, 5039073466, 10078146932, 20156293864]

約数ペア:

[(1, 20156293864), (2, 10078146932), (4, 5039073466), (7, 2879470552), (8, 2519536733), (14, 1439735276), (28, 719867638), (29, 695044616), (49, 411352936), (56, 359933819), (58, 347522308), (98, 205676468), (116, 173761154), (196, 102838234), (203, 99292088), (223, 90386968), (232, 86880577), (392, 51419117), (406, 49646044), (446, 45193484), (812, 24823022), (892, 22596742), (1421, 14184584), (1561, 12912424), (1624, 12411511), (1784, 11298371), (2842, 7092292), (3122, 6456212), (5684, 3546146), (6244, 3228106), (6467, 3116792), (7951, 2535064), (10927, 1844632), (11368, 1773073), (12488, 1614053), (12934, 1558396), (15902, 1267532), (21854, 922316), (25868, 779198), (31804, 633766), (43708, 461158), (45269, 445256), (51736, 389599), (55657, 362152), (63608, 316883), (87416, 230579), (90538, 222628), (111314, 181076)]