20162640978

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{633209}}^1$

素因数の和:633307

約数の個数: 48

約数和(自身を含む): 45933053400

約数和(自身を除く): 25770412422

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 1098, 1769, 3538, 5307, 10614, 15921, 31842, 633209, 1266418, 1899627, 3799254, 5698881, 11397762, 18363061, 36726122, 38625749, 55089183, 77251498, 110178366, 115877247, 165267549, 231754494, 330535098, 347631741, 695263482, 1120146721, 2240293442, 3360440163, 6720880326, 10081320489, 20162640978]

約数ペア:

[(1, 20162640978), (2, 10081320489), (3, 6720880326), (6, 3360440163), (9, 2240293442), (18, 1120146721), (29, 695263482), (58, 347631741), (61, 330535098), (87, 231754494), (122, 165267549), (174, 115877247), (183, 110178366), (261, 77251498), (366, 55089183), (522, 38625749), (549, 36726122), (1098, 18363061), (1769, 11397762), (3538, 5698881), (5307, 3799254), (10614, 1899627), (15921, 1266418), (31842, 633209)]