20808684

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{14821}}^1$

素因数の和:14847

約数の個数: 48

約数和(自身を含む): 58102240

約数和(自身を除く): 37293556

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 14821, 29642, 44463, 59284, 88926, 133389, 177852, 192673, 266778, 385346, 400167, 533556, 578019, 770692, 800334, 1156038, 1600668, 1734057, 2312076, 3468114, 5202171, 6936228, 10404342, 20808684]

約数ペア:

[(1, 20808684), (2, 10404342), (3, 6936228), (4, 5202171), (6, 3468114), (9, 2312076), (12, 1734057), (13, 1600668), (18, 1156038), (26, 800334), (27, 770692), (36, 578019), (39, 533556), (52, 400167), (54, 385346), (78, 266778), (108, 192673), (117, 177852), (156, 133389), (234, 88926), (351, 59284), (468, 44463), (702, 29642), (1404, 14821)]