20428452

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 57133440

約数和(自身を除く): 36704988

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 653, 711, 869, 948, 1306, 1422, 1738, 1959, 2607, 2612, 2844, 3476, 3918, 5214, 5877, 7183, 7821, 7836, 10428, 11754, 14366, 15642, 21549, 23508, 28732, 31284, 43098, 51587, 64647, 86196, 103174, 129294, 154761, 206348, 258588, 309522, 464283, 567457, 619044, 928566, 1134914, 1702371, 1857132, 2269828, 3404742, 5107113, 6809484, 10214226, 20428452]

約数ペア:

[(1, 20428452), (2, 10214226), (3, 6809484), (4, 5107113), (6, 3404742), (9, 2269828), (11, 1857132), (12, 1702371), (18, 1134914), (22, 928566), (33, 619044), (36, 567457), (44, 464283), (66, 309522), (79, 258588), (99, 206348), (132, 154761), (158, 129294), (198, 103174), (237, 86196), (316, 64647), (396, 51587), (474, 43098), (653, 31284), (711, 28732), (869, 23508), (948, 21549), (1306, 15642), (1422, 14366), (1738, 11754), (1959, 10428), (2607, 7836), (2612, 7821), (2844, 7183), (3476, 5877), (3918, 5214)]