20280458560

素因数分解:

$2^6\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{42793}}^1$

素因数の和:44291

約数の個数: 56

約数和(自身を含む): 48326579496

約数和(自身を除く): 28046120936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1481, 2962, 5924, 7405, 11848, 14810, 23696, 29620, 42793, 47392, 59240, 85586, 94784, 118480, 171172, 213965, 236960, 342344, 427930, 473920, 684688, 855860, 1369376, 1711720, 2738752, 3423440, 6846880, 13693760, 63376433, 126752866, 253505732, 316882165, 507011464, 633764330, 1014022928, 1267528660, 2028045856, 2535057320, 4056091712, 5070114640, 10140229280, 20280458560]

約数ペア:

[(1, 20280458560), (2, 10140229280), (4, 5070114640), (5, 4056091712), (8, 2535057320), (10, 2028045856), (16, 1267528660), (20, 1014022928), (32, 633764330), (40, 507011464), (64, 316882165), (80, 253505732), (160, 126752866), (320, 63376433), (1481, 13693760), (2962, 6846880), (5924, 3423440), (7405, 2738752), (11848, 1711720), (14810, 1369376), (23696, 855860), (29620, 684688), (42793, 473920), (47392, 427930), (59240, 342344), (85586, 236960), (94784, 213965), (118480, 171172)]