20813630

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 38561184

約数和(自身を除く): 17747554

約数列:

[1, 2, 5, 10, 53, 106, 173, 227, 265, 346, 454, 530, 865, 1135, 1730, 2270, 9169, 12031, 18338, 24062, 39271, 45845, 60155, 78542, 91690, 120310, 196355, 392710, 2081363, 4162726, 10406815, 20813630]

約数ペア:

[(1, 20813630), (2, 10406815), (5, 4162726), (10, 2081363), (53, 392710), (106, 196355), (173, 120310), (227, 91690), (265, 78542), (346, 60155), (454, 45845), (530, 39271), (865, 24062), (1135, 18338), (1730, 12031), (2270, 9169)]