20457892

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 47667200

約数和(自身を除く): 27209308

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 37, 49, 52, 62, 74, 91, 98, 124, 148, 182, 196, 217, 259, 343, 364, 403, 434, 481, 518, 637, 686, 806, 868, 962, 1036, 1147, 1274, 1372, 1519, 1612, 1813, 1924, 2294, 2548, 2821, 3038, 3367, 3626, 4459, 4588, 5642, 6076, 6734, 7252, 8029, 8918, 10633, 11284, 12691, 13468, 14911, 16058, 17836, 19747, 21266, 23569, 25382, 29822, 32116, 39494, 42532, 47138, 50764, 56203, 59644, 78988, 94276, 104377, 112406, 138229, 164983, 208754, 224812, 276458, 329966, 393421, 417508, 552916, 659932, 730639, 786842, 1461278, 1573684, 2922556, 5114473, 10228946, 20457892]

約数ペア:

[(1, 20457892), (2, 10228946), (4, 5114473), (7, 2922556), (13, 1573684), (14, 1461278), (26, 786842), (28, 730639), (31, 659932), (37, 552916), (49, 417508), (52, 393421), (62, 329966), (74, 276458), (91, 224812), (98, 208754), (124, 164983), (148, 138229), (182, 112406), (196, 104377), (217, 94276), (259, 78988), (343, 59644), (364, 56203), (403, 50764), (434, 47138), (481, 42532), (518, 39494), (637, 32116), (686, 29822), (806, 25382), (868, 23569), (962, 21266), (1036, 19747), (1147, 17836), (1274, 16058), (1372, 14911), (1519, 13468), (1612, 12691), (1813, 11284), (1924, 10633), (2294, 8918), (2548, 8029), (2821, 7252), (3038, 6734), (3367, 6076), (3626, 5642), (4459, 4588)]