20146672

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 48871872

約数和(自身を除く): 28725200

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 101, 104, 112, 137, 182, 202, 208, 274, 364, 404, 548, 707, 728, 808, 959, 1096, 1313, 1414, 1456, 1616, 1781, 1918, 2192, 2626, 2828, 3562, 3836, 5252, 5656, 7124, 7672, 9191, 10504, 11312, 12467, 13837, 14248, 15344, 18382, 21008, 24934, 27674, 28496, 36764, 49868, 55348, 73528, 96859, 99736, 110696, 147056, 179881, 193718, 199472, 221392, 359762, 387436, 719524, 774872, 1259167, 1439048, 1549744, 2518334, 2878096, 5036668, 10073336, 20146672]

約数ペア:

[(1, 20146672), (2, 10073336), (4, 5036668), (7, 2878096), (8, 2518334), (13, 1549744), (14, 1439048), (16, 1259167), (26, 774872), (28, 719524), (52, 387436), (56, 359762), (91, 221392), (101, 199472), (104, 193718), (112, 179881), (137, 147056), (182, 110696), (202, 99736), (208, 96859), (274, 73528), (364, 55348), (404, 49868), (548, 36764), (707, 28496), (728, 27674), (808, 24934), (959, 21008), (1096, 18382), (1313, 15344), (1414, 14248), (1456, 13837), (1616, 12467), (1781, 11312), (1918, 10504), (2192, 9191), (2626, 7672), (2828, 7124), (3562, 5656), (3836, 5252)]