20159334

素因数分解:

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

素因数の和:131

約数の個数: 72

約数和(自身を含む): 49563720

約数和(自身を除く): 29404386

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 47, 54, 78, 94, 117, 141, 169, 234, 282, 338, 351, 423, 507, 611, 702, 846, 1014, 1222, 1269, 1521, 1833, 2209, 2538, 3042, 3666, 4418, 4563, 5499, 6627, 7943, 9126, 10998, 13254, 15886, 16497, 19881, 23829, 28717, 32994, 39762, 47658, 57434, 59643, 71487, 86151, 119286, 142974, 172302, 214461, 258453, 373321, 428922, 516906, 746642, 775359, 1119963, 1550718, 2239926, 3359889, 6719778, 10079667, 20159334]

約数ペア:

[(1, 20159334), (2, 10079667), (3, 6719778), (6, 3359889), (9, 2239926), (13, 1550718), (18, 1119963), (26, 775359), (27, 746642), (39, 516906), (47, 428922), (54, 373321), (78, 258453), (94, 214461), (117, 172302), (141, 142974), (169, 119286), (234, 86151), (282, 71487), (338, 59643), (351, 57434), (423, 47658), (507, 39762), (611, 32994), (702, 28717), (846, 23829), (1014, 19881), (1222, 16497), (1269, 15886), (1521, 13254), (1833, 10998), (2209, 9126), (2538, 7943), (3042, 6627), (3666, 5499), (4418, 4563)]