20734288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2459}}^1$

素因数の和:2515

約数の個数: 40

約数和(自身を含む): 43925760

約数和(自身を除く): 23191472

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2459, 4216, 4918, 8432, 9836, 19672, 39344, 41803, 76229, 83606, 152458, 167212, 304916, 334424, 609832, 668848, 1219664, 1295893, 2591786, 5183572, 10367144, 20734288]

約数ペア:

[(1, 20734288), (2, 10367144), (4, 5183572), (8, 2591786), (16, 1295893), (17, 1219664), (31, 668848), (34, 609832), (62, 334424), (68, 304916), (124, 167212), (136, 152458), (248, 83606), (272, 76229), (496, 41803), (527, 39344), (1054, 19672), (2108, 9836), (2459, 8432), (4216, 4918)]