20355000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 160

約数和(自身を含む): 67478400

約数和(自身を除く): 47123400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 59, 60, 69, 75, 92, 100, 115, 118, 120, 125, 138, 150, 177, 184, 200, 230, 236, 250, 276, 295, 300, 345, 354, 375, 460, 472, 500, 552, 575, 590, 600, 625, 690, 708, 750, 885, 920, 1000, 1150, 1180, 1250, 1357, 1380, 1416, 1475, 1500, 1725, 1770, 1875, 2300, 2360, 2500, 2714, 2760, 2875, 2950, 3000, 3450, 3540, 3750, 4071, 4425, 4600, 5000, 5428, 5750, 5900, 6785, 6900, 7080, 7375, 7500, 8142, 8625, 8850, 10856, 11500, 11800, 13570, 13800, 14375, 14750, 15000, 16284, 17250, 17700, 20355, 22125, 23000, 27140, 28750, 29500, 32568, 33925, 34500, 35400, 36875, 40710, 43125, 44250, 54280, 57500, 59000, 67850, 69000, 73750, 81420, 86250, 88500, 101775, 110625, 115000, 135700, 147500, 162840, 169625, 172500, 177000, 203550, 221250, 271400, 295000, 339250, 345000, 407100, 442500, 508875, 678500, 814200, 848125, 885000, 1017750, 1357000, 1696250, 2035500, 2544375, 3392500, 4071000, 5088750, 6785000, 10177500, 20355000]

約数ペア:

[(1, 20355000), (2, 10177500), (3, 6785000), (4, 5088750), (5, 4071000), (6, 3392500), (8, 2544375), (10, 2035500), (12, 1696250), (15, 1357000), (20, 1017750), (23, 885000), (24, 848125), (25, 814200), (30, 678500), (40, 508875), (46, 442500), (50, 407100), (59, 345000), (60, 339250), (69, 295000), (75, 271400), (92, 221250), (100, 203550), (115, 177000), (118, 172500), (120, 169625), (125, 162840), (138, 147500), (150, 135700), (177, 115000), (184, 110625), (200, 101775), (230, 88500), (236, 86250), (250, 81420), (276, 73750), (295, 69000), (300, 67850), (345, 59000), (354, 57500), (375, 54280), (460, 44250), (472, 43125), (500, 40710), (552, 36875), (575, 35400), (590, 34500), (600, 33925), (625, 32568), (690, 29500), (708, 28750), (750, 27140), (885, 23000), (920, 22125), (1000, 20355), (1150, 17700), (1180, 17250), (1250, 16284), (1357, 15000), (1380, 14750), (1416, 14375), (1475, 13800), (1500, 13570), (1725, 11800), (1770, 11500), (1875, 10856), (2300, 8850), (2360, 8625), (2500, 8142), (2714, 7500), (2760, 7375), (2875, 7080), (2950, 6900), (3000, 6785), (3450, 5900), (3540, 5750), (3750, 5428), (4071, 5000), (4425, 4600)]