20497036

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^3\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 43848000

約数和(自身を除く): 23350964

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 149, 238, 289, 298, 476, 578, 596, 1043, 1156, 2023, 2086, 2533, 4046, 4172, 4913, 5066, 8092, 9826, 10132, 17731, 19652, 34391, 35462, 43061, 68782, 70924, 86122, 137564, 172244, 301427, 602854, 732037, 1205708, 1464074, 2928148, 5124259, 10248518, 20497036]

約数ペア:

[(1, 20497036), (2, 10248518), (4, 5124259), (7, 2928148), (14, 1464074), (17, 1205708), (28, 732037), (34, 602854), (68, 301427), (119, 172244), (149, 137564), (238, 86122), (289, 70924), (298, 68782), (476, 43061), (578, 35462), (596, 34391), (1043, 19652), (1156, 17731), (2023, 10132), (2086, 9826), (2533, 8092), (4046, 5066), (4172, 4913)]