20736534

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 51577344

約数和(自身を除く): 30840810

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 163, 182, 233, 273, 326, 466, 489, 546, 699, 978, 1141, 1398, 1631, 2119, 2282, 3029, 3262, 3423, 4238, 4893, 6058, 6357, 6846, 9087, 9786, 12714, 14833, 18174, 21203, 29666, 37979, 42406, 44499, 63609, 75958, 88998, 113937, 127218, 227874, 265853, 493727, 531706, 797559, 987454, 1481181, 1595118, 2962362, 3456089, 6912178, 10368267, 20736534]

約数ペア:

[(1, 20736534), (2, 10368267), (3, 6912178), (6, 3456089), (7, 2962362), (13, 1595118), (14, 1481181), (21, 987454), (26, 797559), (39, 531706), (42, 493727), (78, 265853), (91, 227874), (163, 127218), (182, 113937), (233, 88998), (273, 75958), (326, 63609), (466, 44499), (489, 42406), (546, 37979), (699, 29666), (978, 21203), (1141, 18174), (1398, 14833), (1631, 12714), (2119, 9786), (2282, 9087), (3029, 6846), (3262, 6357), (3423, 6058), (4238, 4893)]