20256870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 30836634

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 43, 82, 86, 123, 129, 205, 215, 246, 258, 383, 410, 430, 615, 645, 766, 1149, 1230, 1290, 1763, 1915, 2298, 3526, 3830, 5289, 5745, 8815, 10578, 11490, 15703, 16469, 17630, 26445, 31406, 32938, 47109, 49407, 52890, 78515, 82345, 94218, 98814, 157030, 164690, 235545, 247035, 471090, 494070, 675229, 1350458, 2025687, 3376145, 4051374, 6752290, 10128435, 20256870]

約数ペア:

[(1, 20256870), (2, 10128435), (3, 6752290), (5, 4051374), (6, 3376145), (10, 2025687), (15, 1350458), (30, 675229), (41, 494070), (43, 471090), (82, 247035), (86, 235545), (123, 164690), (129, 157030), (205, 98814), (215, 94218), (246, 82345), (258, 78515), (383, 52890), (410, 49407), (430, 47109), (615, 32938), (645, 31406), (766, 26445), (1149, 17630), (1230, 16469), (1290, 15703), (1763, 11490), (1915, 10578), (2298, 8815), (3526, 5745), (3830, 5289)]