20149066445

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 25983659520

約数和(自身を除く): 5834593075

約数列:

[1, 5, 41, 53, 67, 89, 205, 265, 311, 335, 445, 1555, 2173, 2747, 3551, 3649, 4717, 5963, 10865, 12751, 13735, 16483, 17755, 18245, 20837, 23585, 27679, 29815, 63755, 82415, 104185, 138395, 145591, 193397, 244483, 316039, 675803, 727955, 854317, 966985, 1104361, 1134839, 1222415, 1466987, 1580195, 1854493, 3379015, 4271585, 5521805, 5674195, 7334935, 9272465, 12957599, 45278801, 60146467, 64787995, 76034213, 98288129, 226394005, 300732335, 380171065, 491440645, 4029813289, 20149066445]

約数ペア:

[(1, 20149066445), (5, 4029813289), (41, 491440645), (53, 380171065), (67, 300732335), (89, 226394005), (205, 98288129), (265, 76034213), (311, 64787995), (335, 60146467), (445, 45278801), (1555, 12957599), (2173, 9272465), (2747, 7334935), (3551, 5674195), (3649, 5521805), (4717, 4271585), (5963, 3379015), (10865, 1854493), (12751, 1580195), (13735, 1466987), (16483, 1222415), (17755, 1134839), (18245, 1104361), (20837, 966985), (23585, 854317), (27679, 727955), (29815, 675803), (63755, 316039), (82415, 244483), (104185, 193397), (138395, 145591)]