20578512

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11587}}^1$

素因数の和:11635

約数の個数: 40

約数和(自身を含む): 54602656

約数和(自身を除く): 34024144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11587, 23174, 34761, 46348, 69522, 92696, 139044, 185392, 278088, 428719, 556176, 857438, 1286157, 1714876, 2572314, 3429752, 5144628, 6859504, 10289256, 20578512]

約数ペア:

[(1, 20578512), (2, 10289256), (3, 6859504), (4, 5144628), (6, 3429752), (8, 2572314), (12, 1714876), (16, 1286157), (24, 857438), (37, 556176), (48, 428719), (74, 278088), (111, 185392), (148, 139044), (222, 92696), (296, 69522), (444, 46348), (592, 34761), (888, 23174), (1776, 11587)]