20145508311905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{1951}}^1\times {\mathrm{219533}}^1$

素因数の和:221921

約数の個数: 32

約数和(自身を含む): 25300432926720

約数和(自身を除く): 5154924614815

約数列:

[1, 5, 23, 115, 409, 1951, 2045, 9407, 9755, 44873, 47035, 219533, 224365, 797959, 1097665, 3989795, 5049259, 18353057, 25246295, 89788997, 91765285, 428308883, 448944985, 2065146931, 2141544415, 9851104309, 10325734655, 49255521545, 175178333147, 875891665735, 4029101662381, 20145508311905]

約数ペア:

[(1, 20145508311905), (5, 4029101662381), (23, 875891665735), (115, 175178333147), (409, 49255521545), (1951, 10325734655), (2045, 9851104309), (9407, 2141544415), (9755, 2065146931), (44873, 448944985), (47035, 428308883), (219533, 91765285), (224365, 89788997), (797959, 25246295), (1097665, 18353057), (3989795, 5049259)]