20153949725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1051}}^1\times {\mathrm{8429}}^1$

素因数の和:9510

約数の個数: 48

約数和(自身を含む): 30790945920

約数和(自身を除く): 10636996195

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 1051, 2275, 5255, 7357, 8429, 13663, 26275, 36785, 42145, 59003, 68315, 95641, 109577, 183925, 210725, 295015, 341575, 478205, 547885, 767039, 1475075, 2391025, 2739425, 3835195, 8858879, 19175975, 44294395, 62012153, 115165427, 221471975, 310060765, 575827135, 806157989, 1550303825, 2879135675, 4030789945, 20153949725]

約数ペア:

[(1, 20153949725), (5, 4030789945), (7, 2879135675), (13, 1550303825), (25, 806157989), (35, 575827135), (65, 310060765), (91, 221471975), (175, 115165427), (325, 62012153), (455, 44294395), (1051, 19175975), (2275, 8858879), (5255, 3835195), (7357, 2739425), (8429, 2391025), (13663, 1475075), (26275, 767039), (36785, 547885), (42145, 478205), (59003, 341575), (68315, 295015), (95641, 210725), (109577, 183925)]