20129404460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4815647}}^1$

素因数の和:4815686

約数の個数: 48

約数和(自身を含む): 48541731840

約数和(自身を除く): 28412327380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4815647, 9631294, 19262588, 24078235, 48156470, 52972117, 91497293, 96312940, 105944234, 182994586, 211888468, 264860585, 365989172, 457486465, 529721170, 914972930, 1006470223, 1059442340, 1829945860, 2012940446, 4025880892, 5032351115, 10064702230, 20129404460]

約数ペア:

[(1, 20129404460), (2, 10064702230), (4, 5032351115), (5, 4025880892), (10, 2012940446), (11, 1829945860), (19, 1059442340), (20, 1006470223), (22, 914972930), (38, 529721170), (44, 457486465), (55, 365989172), (76, 264860585), (95, 211888468), (110, 182994586), (190, 105944234), (209, 96312940), (220, 91497293), (380, 52972117), (418, 48156470), (836, 24078235), (1045, 19262588), (2090, 9631294), (4180, 4815647)]