20050984810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1\times {\mathrm{937}}^1$

素因数の和:1112

約数の個数: 96

約数和(自身を含む): 39563939520

約数和(自身を除く): 19512954710

約数列:

[1, 2, 5, 10, 19, 38, 41, 67, 82, 95, 134, 190, 205, 335, 410, 670, 779, 937, 1273, 1558, 1681, 1874, 2546, 2747, 3362, 3895, 4685, 5494, 6365, 7790, 8405, 9370, 12730, 13735, 16810, 17803, 27470, 31939, 35606, 38417, 52193, 62779, 63878, 76834, 89015, 104386, 112627, 125558, 159695, 178030, 192085, 225254, 260965, 313895, 319390, 384170, 521930, 563135, 627790, 729923, 1126270, 1192801, 1459846, 1575097, 2139913, 2385602, 2573939, 3150194, 3649615, 4279826, 5147878, 5964005, 7299230, 7875485, 10699565, 11928010, 12869695, 15750970, 21399130, 25739390, 29926843, 48904841, 59853686, 97809682, 105531499, 149634215, 211062998, 244524205, 299268430, 489048410, 527657495, 1055314990, 2005098481, 4010196962, 10025492405, 20050984810]

約数ペア:

[(1, 20050984810), (2, 10025492405), (5, 4010196962), (10, 2005098481), (19, 1055314990), (38, 527657495), (41, 489048410), (67, 299268430), (82, 244524205), (95, 211062998), (134, 149634215), (190, 105531499), (205, 97809682), (335, 59853686), (410, 48904841), (670, 29926843), (779, 25739390), (937, 21399130), (1273, 15750970), (1558, 12869695), (1681, 11928010), (1874, 10699565), (2546, 7875485), (2747, 7299230), (3362, 5964005), (3895, 5147878), (4685, 4279826), (5494, 3649615), (6365, 3150194), (7790, 2573939), (8405, 2385602), (9370, 2139913), (12730, 1575097), (13735, 1459846), (16810, 1192801), (17803, 1126270), (27470, 729923), (31939, 627790), (35606, 563135), (38417, 521930), (52193, 384170), (62779, 319390), (63878, 313895), (76834, 260965), (89015, 225254), (104386, 192085), (112627, 178030), (125558, 159695)]