20131121452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{28027}}^1$

素因数の和:28790

約数の個数: 48

約数和(自身を含む): 39992592640

約数和(自身を除く): 19861471188

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 727, 988, 1454, 2908, 9451, 13813, 18902, 27626, 28027, 37804, 55252, 56054, 112108, 179569, 359138, 364351, 532513, 718276, 728702, 1065026, 1457404, 2130052, 6922669, 13845338, 20375629, 27690676, 40751258, 81502516, 264883177, 387136951, 529766354, 774273902, 1059532708, 1548547804, 5032780363, 10065560726, 20131121452]

約数ペア:

[(1, 20131121452), (2, 10065560726), (4, 5032780363), (13, 1548547804), (19, 1059532708), (26, 774273902), (38, 529766354), (52, 387136951), (76, 264883177), (247, 81502516), (494, 40751258), (727, 27690676), (988, 20375629), (1454, 13845338), (2908, 6922669), (9451, 2130052), (13813, 1457404), (18902, 1065026), (27626, 728702), (28027, 718276), (37804, 532513), (55252, 364351), (56054, 359138), (112108, 179569)]