20320624

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 41461632

約数和(自身を除く): 21141008

約数列:

[1, 2, 4, 8, 16, 31, 53, 62, 106, 124, 212, 248, 424, 496, 773, 848, 1546, 1643, 3092, 3286, 6184, 6572, 12368, 13144, 23963, 26288, 40969, 47926, 81938, 95852, 163876, 191704, 327752, 383408, 655504, 1270039, 2540078, 5080156, 10160312, 20320624]

約数ペア:

[(1, 20320624), (2, 10160312), (4, 5080156), (8, 2540078), (16, 1270039), (31, 655504), (53, 383408), (62, 327752), (106, 191704), (124, 163876), (212, 95852), (248, 81938), (424, 47926), (496, 40969), (773, 26288), (848, 23963), (1546, 13144), (1643, 12368), (3092, 6572), (3286, 6184)]