20508729462

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1864769}}^1$

素因数の和:1864837

約数の個数: 48

約数和(自身を含む): 48871892160

約数和(自身を除く): 28363162698

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 234, 282, 423, 611, 846, 1222, 1833, 3666, 5499, 10998, 1864769, 3729538, 5594307, 11188614, 16782921, 24241997, 33565842, 48483994, 72725991, 87644143, 145451982, 175288286, 218177973, 262932429, 436355946, 525864858, 788797287, 1139373859, 1577594574, 2278747718, 3418121577, 6836243154, 10254364731, 20508729462]

約数ペア:

[(1, 20508729462), (2, 10254364731), (3, 6836243154), (6, 3418121577), (9, 2278747718), (13, 1577594574), (18, 1139373859), (26, 788797287), (39, 525864858), (47, 436355946), (78, 262932429), (94, 218177973), (117, 175288286), (141, 145451982), (234, 87644143), (282, 72725991), (423, 48483994), (611, 33565842), (846, 24241997), (1222, 16782921), (1833, 11188614), (3666, 5594307), (5499, 3729538), (10998, 1864769)]