20298798

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 47698560

約数和(自身を除く): 27399762

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 223, 234, 389, 446, 669, 778, 1167, 1338, 2007, 2334, 2899, 3501, 4014, 5057, 5798, 7002, 8697, 10114, 15171, 17394, 26091, 30342, 45513, 52182, 86747, 91026, 173494, 260241, 520482, 780723, 1127711, 1561446, 2255422, 3383133, 6766266, 10149399, 20298798]

約数ペア:

[(1, 20298798), (2, 10149399), (3, 6766266), (6, 3383133), (9, 2255422), (13, 1561446), (18, 1127711), (26, 780723), (39, 520482), (78, 260241), (117, 173494), (223, 91026), (234, 86747), (389, 52182), (446, 45513), (669, 30342), (778, 26091), (1167, 17394), (1338, 15171), (2007, 10114), (2334, 8697), (2899, 7002), (3501, 5798), (4014, 5057)]