20121504

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:750

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 39318240

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 69, 78, 92, 96, 104, 138, 156, 184, 208, 276, 299, 312, 368, 416, 552, 598, 624, 701, 736, 897, 1104, 1196, 1248, 1402, 1794, 2103, 2208, 2392, 2804, 3588, 4206, 4784, 5608, 7176, 8412, 9113, 9568, 11216, 14352, 16123, 16824, 18226, 22432, 27339, 28704, 32246, 33648, 36452, 48369, 54678, 64492, 67296, 72904, 96738, 109356, 128984, 145808, 193476, 209599, 218712, 257968, 291616, 386952, 419198, 437424, 515936, 628797, 773904, 838396, 874848, 1257594, 1547808, 1676792, 2515188, 3353584, 5030376, 6707168, 10060752, 20121504]

約数ペア:

[(1, 20121504), (2, 10060752), (3, 6707168), (4, 5030376), (6, 3353584), (8, 2515188), (12, 1676792), (13, 1547808), (16, 1257594), (23, 874848), (24, 838396), (26, 773904), (32, 628797), (39, 515936), (46, 437424), (48, 419198), (52, 386952), (69, 291616), (78, 257968), (92, 218712), (96, 209599), (104, 193476), (138, 145808), (156, 128984), (184, 109356), (208, 96738), (276, 72904), (299, 67296), (312, 64492), (368, 54678), (416, 48369), (552, 36452), (598, 33648), (624, 32246), (701, 28704), (736, 27339), (897, 22432), (1104, 18226), (1196, 16824), (1248, 16123), (1402, 14352), (1794, 11216), (2103, 9568), (2208, 9113), (2392, 8412), (2804, 7176), (3588, 5608), (4206, 4784)]