20173385905

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{503}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 25886770560

約数和(自身を除く): 5713384655

約数列:

[1, 5, 23, 59, 115, 257, 295, 503, 529, 1285, 1357, 2515, 2645, 5911, 6785, 11569, 15163, 29555, 29677, 31211, 57845, 75815, 129271, 135953, 148385, 156055, 266087, 348749, 646355, 679765, 682571, 1330435, 1743745, 2973233, 3412855, 7626989, 8021227, 14866165, 15699133, 38134945, 40106135, 68384359, 78495665, 175420747, 341921795, 877103735, 4034677181, 20173385905]

約数ペア:

[(1, 20173385905), (5, 4034677181), (23, 877103735), (59, 341921795), (115, 175420747), (257, 78495665), (295, 68384359), (503, 40106135), (529, 38134945), (1285, 15699133), (1357, 14866165), (2515, 8021227), (2645, 7626989), (5911, 3412855), (6785, 2973233), (11569, 1743745), (15163, 1330435), (29555, 682571), (29677, 679765), (31211, 646355), (57845, 348749), (75815, 266087), (129271, 156055), (135953, 148385)]