20172758120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{167381}}^1$

素因数の和:167546

約数の個数: 64

約数和(自身を含む): 47723955840

約数和(自身を除く): 27551197720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 131, 184, 230, 262, 460, 524, 655, 920, 1048, 1310, 2620, 3013, 5240, 6026, 12052, 15065, 24104, 30130, 60260, 120520, 167381, 334762, 669524, 836905, 1339048, 1673810, 3347620, 3849763, 6695240, 7699526, 15399052, 19248815, 21926911, 30798104, 38497630, 43853822, 76995260, 87707644, 109634555, 153990520, 175415288, 219269110, 438538220, 504318953, 877076440, 1008637906, 2017275812, 2521594765, 4034551624, 5043189530, 10086379060, 20172758120]

約数ペア:

[(1, 20172758120), (2, 10086379060), (4, 5043189530), (5, 4034551624), (8, 2521594765), (10, 2017275812), (20, 1008637906), (23, 877076440), (40, 504318953), (46, 438538220), (92, 219269110), (115, 175415288), (131, 153990520), (184, 109634555), (230, 87707644), (262, 76995260), (460, 43853822), (524, 38497630), (655, 30798104), (920, 21926911), (1048, 19248815), (1310, 15399052), (2620, 7699526), (3013, 6695240), (5240, 3849763), (6026, 3347620), (12052, 1673810), (15065, 1339048), (24104, 836905), (30130, 669524), (60260, 334762), (120520, 167381)]