20188846060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{359}}^1\times {\mathrm{857}}^1$

素因数の和:1435

約数の個数: 96

約数和(自身を含む): 45301576320

約数和(自身を除く): 25112730260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 359, 386, 718, 772, 857, 965, 1436, 1714, 1795, 1930, 3281, 3428, 3590, 3860, 4285, 6103, 6562, 7180, 8570, 12206, 13124, 14569, 16405, 17140, 24412, 29138, 30515, 32810, 58276, 61030, 65620, 69287, 72845, 122060, 138574, 145690, 165401, 277148, 291380, 307663, 330802, 346435, 615326, 661604, 692870, 827005, 1177879, 1230652, 1385740, 1538315, 1654010, 2355758, 2811817, 3076630, 3308020, 4711516, 5230271, 5623634, 5889395, 6153260, 10460542, 11247268, 11778790, 14059085, 20921084, 23557580, 26151355, 28118170, 52302710, 56236340, 59378959, 104605420, 118757918, 237515836, 296894795, 593789590, 1009442303, 1187579180, 2018884606, 4037769212, 5047211515, 10094423030, 20188846060]

約数ペア:

[(1, 20188846060), (2, 10094423030), (4, 5047211515), (5, 4037769212), (10, 2018884606), (17, 1187579180), (20, 1009442303), (34, 593789590), (68, 296894795), (85, 237515836), (170, 118757918), (193, 104605420), (340, 59378959), (359, 56236340), (386, 52302710), (718, 28118170), (772, 26151355), (857, 23557580), (965, 20921084), (1436, 14059085), (1714, 11778790), (1795, 11247268), (1930, 10460542), (3281, 6153260), (3428, 5889395), (3590, 5623634), (3860, 5230271), (4285, 4711516), (6103, 3308020), (6562, 3076630), (7180, 2811817), (8570, 2355758), (12206, 1654010), (13124, 1538315), (14569, 1385740), (16405, 1230652), (17140, 1177879), (24412, 827005), (29138, 692870), (30515, 661604), (32810, 615326), (58276, 346435), (61030, 330802), (65620, 307663), (69287, 291380), (72845, 277148), (122060, 165401), (138574, 145690)]