20698452

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 57238272

約数和(自身を除く): 36539820

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 93, 102, 124, 153, 186, 204, 279, 306, 372, 527, 558, 612, 1054, 1091, 1116, 1581, 2108, 2182, 3162, 3273, 4364, 4743, 6324, 6546, 9486, 9819, 13092, 18547, 18972, 19638, 33821, 37094, 39276, 55641, 67642, 74188, 101463, 111282, 135284, 166923, 202926, 222564, 304389, 333846, 405852, 574957, 608778, 667692, 1149914, 1217556, 1724871, 2299828, 3449742, 5174613, 6899484, 10349226, 20698452]

約数ペア:

[(1, 20698452), (2, 10349226), (3, 6899484), (4, 5174613), (6, 3449742), (9, 2299828), (12, 1724871), (17, 1217556), (18, 1149914), (31, 667692), (34, 608778), (36, 574957), (51, 405852), (62, 333846), (68, 304389), (93, 222564), (102, 202926), (124, 166923), (153, 135284), (186, 111282), (204, 101463), (279, 74188), (306, 67642), (372, 55641), (527, 39276), (558, 37094), (612, 33821), (1054, 19638), (1091, 18972), (1116, 18547), (1581, 13092), (2108, 9819), (2182, 9486), (3162, 6546), (3273, 6324), (4364, 4743)]