20486585016

素因数分解:

$2^3\times 3^3\times {\mathrm{61}}^1\times {\mathrm{1554841}}^1$

素因数の和:1554917

約数の個数: 64

約数和(自身を含む): 57840122400

約数和(自身を除く): 37353537384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 108, 122, 183, 216, 244, 366, 488, 549, 732, 1098, 1464, 1647, 2196, 3294, 4392, 6588, 13176, 1554841, 3109682, 4664523, 6219364, 9329046, 12438728, 13993569, 18658092, 27987138, 37316184, 41980707, 55974276, 83961414, 94845301, 111948552, 167922828, 189690602, 284535903, 335845656, 379381204, 569071806, 758762408, 853607709, 1138143612, 1707215418, 2276287224, 2560823127, 3414430836, 5121646254, 6828861672, 10243292508, 20486585016]

約数ペア:

[(1, 20486585016), (2, 10243292508), (3, 6828861672), (4, 5121646254), (6, 3414430836), (8, 2560823127), (9, 2276287224), (12, 1707215418), (18, 1138143612), (24, 853607709), (27, 758762408), (36, 569071806), (54, 379381204), (61, 335845656), (72, 284535903), (108, 189690602), (122, 167922828), (183, 111948552), (216, 94845301), (244, 83961414), (366, 55974276), (488, 41980707), (549, 37316184), (732, 27987138), (1098, 18658092), (1464, 13993569), (1647, 12438728), (2196, 9329046), (3294, 6219364), (4392, 4664523), (6588, 3109682), (13176, 1554841)]