20439384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1367}}^1$

素因数の和:1472

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 38658216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 89, 168, 178, 267, 356, 534, 623, 712, 1068, 1246, 1367, 1869, 2136, 2492, 2734, 3738, 4101, 4984, 5468, 7476, 8202, 9569, 10936, 14952, 16404, 19138, 28707, 32808, 38276, 57414, 76552, 114828, 121663, 229656, 243326, 364989, 486652, 729978, 851641, 973304, 1459956, 1703282, 2554923, 2919912, 3406564, 5109846, 6813128, 10219692, 20439384]

約数ペア:

[(1, 20439384), (2, 10219692), (3, 6813128), (4, 5109846), (6, 3406564), (7, 2919912), (8, 2554923), (12, 1703282), (14, 1459956), (21, 973304), (24, 851641), (28, 729978), (42, 486652), (56, 364989), (84, 243326), (89, 229656), (168, 121663), (178, 114828), (267, 76552), (356, 57414), (534, 38276), (623, 32808), (712, 28707), (1068, 19138), (1246, 16404), (1367, 14952), (1869, 10936), (2136, 9569), (2492, 8202), (2734, 7476), (3738, 5468), (4101, 4984)]