20194352048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1090879}}^1$

素因数の和:1090989

約数の個数: 40

約数和(自身を含む): 42609772800

約数和(自身を除く): 22415420752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 2314, 4628, 9256, 18512, 1090879, 2181758, 4363516, 8727032, 14181427, 17454064, 28362854, 56725708, 97088231, 113451416, 194176462, 226902832, 388352924, 776705848, 1262147003, 1553411696, 2524294006, 5048588012, 10097176024, 20194352048]

約数ペア:

[(1, 20194352048), (2, 10097176024), (4, 5048588012), (8, 2524294006), (13, 1553411696), (16, 1262147003), (26, 776705848), (52, 388352924), (89, 226902832), (104, 194176462), (178, 113451416), (208, 97088231), (356, 56725708), (712, 28362854), (1157, 17454064), (1424, 14181427), (2314, 8727032), (4628, 4363516), (9256, 2181758), (18512, 1090879)]