20165562

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 45826560

約数和(自身を除く): 25660998

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 71, 93, 142, 186, 213, 279, 426, 509, 558, 639, 1018, 1278, 1527, 2201, 3054, 4402, 4581, 6603, 9162, 13206, 15779, 19809, 31558, 36139, 39618, 47337, 72278, 94674, 108417, 142011, 216834, 284022, 325251, 650502, 1120309, 2240618, 3360927, 6721854, 10082781, 20165562]

約数ペア:

[(1, 20165562), (2, 10082781), (3, 6721854), (6, 3360927), (9, 2240618), (18, 1120309), (31, 650502), (62, 325251), (71, 284022), (93, 216834), (142, 142011), (186, 108417), (213, 94674), (279, 72278), (426, 47337), (509, 39618), (558, 36139), (639, 31558), (1018, 19809), (1278, 15779), (1527, 13206), (2201, 9162), (3054, 6603), (4402, 4581)]