20861928

素因数分解:

$2^3\times 3^3\times {\mathrm{59}}^1\times {\mathrm{1637}}^1$

素因数の和:1711

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 38106072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 59, 72, 108, 118, 177, 216, 236, 354, 472, 531, 708, 1062, 1416, 1593, 1637, 2124, 3186, 3274, 4248, 4911, 6372, 6548, 9822, 12744, 13096, 14733, 19644, 29466, 39288, 44199, 58932, 88398, 96583, 117864, 176796, 193166, 289749, 353592, 386332, 579498, 772664, 869247, 1158996, 1738494, 2317992, 2607741, 3476988, 5215482, 6953976, 10430964, 20861928]

約数ペア:

[(1, 20861928), (2, 10430964), (3, 6953976), (4, 5215482), (6, 3476988), (8, 2607741), (9, 2317992), (12, 1738494), (18, 1158996), (24, 869247), (27, 772664), (36, 579498), (54, 386332), (59, 353592), (72, 289749), (108, 193166), (118, 176796), (177, 117864), (216, 96583), (236, 88398), (354, 58932), (472, 44199), (531, 39288), (708, 29466), (1062, 19644), (1416, 14733), (1593, 13096), (1637, 12744), (2124, 9822), (3186, 6548), (3274, 6372), (4248, 4911)]