20879304

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 54648000

約数和(自身を除く): 33768696

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 131, 174, 229, 232, 262, 348, 393, 458, 524, 687, 696, 786, 916, 1048, 1374, 1572, 1832, 2748, 3144, 3799, 5496, 6641, 7598, 11397, 13282, 15196, 19923, 22794, 26564, 29999, 30392, 39846, 45588, 53128, 59998, 79692, 89997, 91176, 119996, 159384, 179994, 239992, 359988, 719976, 869971, 1739942, 2609913, 3479884, 5219826, 6959768, 10439652, 20879304]

約数ペア:

[(1, 20879304), (2, 10439652), (3, 6959768), (4, 5219826), (6, 3479884), (8, 2609913), (12, 1739942), (24, 869971), (29, 719976), (58, 359988), (87, 239992), (116, 179994), (131, 159384), (174, 119996), (229, 91176), (232, 89997), (262, 79692), (348, 59998), (393, 53128), (458, 45588), (524, 39846), (687, 30392), (696, 29999), (786, 26564), (916, 22794), (1048, 19923), (1374, 15196), (1572, 13282), (1832, 11397), (2748, 7598), (3144, 6641), (3799, 5496)]