20159968446

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{77471}}^1$

素因数の和:77622

約数の個数: 64

約数和(自身を含む): 46111334400

約数和(自身を除く): 25951365954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 79, 122, 158, 183, 237, 366, 474, 549, 711, 1098, 1422, 1647, 2133, 3294, 4266, 4819, 9638, 14457, 28914, 43371, 77471, 86742, 130113, 154942, 232413, 260226, 464826, 697239, 1394478, 2091717, 4183434, 4725731, 6120209, 9451462, 12240418, 14177193, 18360627, 28354386, 36721254, 42531579, 55081881, 85063158, 110163762, 127594737, 165245643, 255189474, 330491286, 373332749, 746665498, 1119998247, 2239996494, 3359994741, 6719989482, 10079984223, 20159968446]

約数ペア:

[(1, 20159968446), (2, 10079984223), (3, 6719989482), (6, 3359994741), (9, 2239996494), (18, 1119998247), (27, 746665498), (54, 373332749), (61, 330491286), (79, 255189474), (122, 165245643), (158, 127594737), (183, 110163762), (237, 85063158), (366, 55081881), (474, 42531579), (549, 36721254), (711, 28354386), (1098, 18360627), (1422, 14177193), (1647, 12240418), (2133, 9451462), (3294, 6120209), (4266, 4725731), (4819, 4183434), (9638, 2091717), (14457, 1394478), (28914, 697239), (43371, 464826), (77471, 260226), (86742, 232413), (130113, 154942)]