20172542425

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{5801}}^1$

素因数の和:6490

約数の個数: 48

約数和(自身を含む): 29560679424

約数和(自身を除く): 9388136999

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 641, 775, 1085, 3205, 4487, 5425, 5801, 16025, 19871, 22435, 29005, 40607, 99355, 112175, 139097, 145025, 179831, 203035, 496775, 695485, 899155, 1015175, 1258817, 3477425, 3718441, 4495775, 6294085, 18592205, 26029087, 31470425, 92961025, 115271671, 130145435, 576358355, 650727175, 806901697, 2881791775, 4034508485, 20172542425]

約数ペア:

[(1, 20172542425), (5, 4034508485), (7, 2881791775), (25, 806901697), (31, 650727175), (35, 576358355), (155, 130145435), (175, 115271671), (217, 92961025), (641, 31470425), (775, 26029087), (1085, 18592205), (3205, 6294085), (4487, 4495775), (5425, 3718441), (5801, 3477425), (16025, 1258817), (19871, 1015175), (22435, 899155), (29005, 695485), (40607, 496775), (99355, 203035), (112175, 179831), (139097, 145025)]