20332000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 192

約数和(自身を含む): 59439744

約数和(自身を除く): 39107744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 23, 25, 26, 32, 34, 40, 46, 50, 52, 65, 68, 80, 85, 92, 100, 104, 115, 125, 130, 136, 160, 170, 184, 200, 208, 221, 230, 250, 260, 272, 299, 325, 340, 368, 391, 400, 416, 425, 442, 460, 500, 520, 544, 575, 598, 650, 680, 736, 782, 800, 850, 884, 920, 1000, 1040, 1105, 1150, 1196, 1300, 1360, 1495, 1564, 1625, 1700, 1768, 1840, 1955, 2000, 2080, 2125, 2210, 2300, 2392, 2600, 2720, 2875, 2990, 3128, 3250, 3400, 3536, 3680, 3910, 4000, 4250, 4420, 4600, 4784, 5083, 5200, 5525, 5750, 5980, 6256, 6500, 6800, 7072, 7475, 7820, 8500, 8840, 9200, 9568, 9775, 10166, 10400, 11050, 11500, 11960, 12512, 13000, 13600, 14950, 15640, 17000, 17680, 18400, 19550, 20332, 22100, 23000, 23920, 25415, 26000, 27625, 29900, 31280, 34000, 35360, 37375, 39100, 40664, 44200, 46000, 47840, 48875, 50830, 52000, 55250, 59800, 62560, 68000, 74750, 78200, 81328, 88400, 92000, 97750, 101660, 110500, 119600, 127075, 149500, 156400, 162656, 176800, 195500, 203320, 221000, 239200, 254150, 299000, 312800, 391000, 406640, 442000, 508300, 598000, 635375, 782000, 813280, 884000, 1016600, 1196000, 1270750, 1564000, 2033200, 2541500, 4066400, 5083000, 10166000, 20332000]

約数ペア:

[(1, 20332000), (2, 10166000), (4, 5083000), (5, 4066400), (8, 2541500), (10, 2033200), (13, 1564000), (16, 1270750), (17, 1196000), (20, 1016600), (23, 884000), (25, 813280), (26, 782000), (32, 635375), (34, 598000), (40, 508300), (46, 442000), (50, 406640), (52, 391000), (65, 312800), (68, 299000), (80, 254150), (85, 239200), (92, 221000), (100, 203320), (104, 195500), (115, 176800), (125, 162656), (130, 156400), (136, 149500), (160, 127075), (170, 119600), (184, 110500), (200, 101660), (208, 97750), (221, 92000), (230, 88400), (250, 81328), (260, 78200), (272, 74750), (299, 68000), (325, 62560), (340, 59800), (368, 55250), (391, 52000), (400, 50830), (416, 48875), (425, 47840), (442, 46000), (460, 44200), (500, 40664), (520, 39100), (544, 37375), (575, 35360), (598, 34000), (650, 31280), (680, 29900), (736, 27625), (782, 26000), (800, 25415), (850, 23920), (884, 23000), (920, 22100), (1000, 20332), (1040, 19550), (1105, 18400), (1150, 17680), (1196, 17000), (1300, 15640), (1360, 14950), (1495, 13600), (1564, 13000), (1625, 12512), (1700, 11960), (1768, 11500), (1840, 11050), (1955, 10400), (2000, 10166), (2080, 9775), (2125, 9568), (2210, 9200), (2300, 8840), (2392, 8500), (2600, 7820), (2720, 7475), (2875, 7072), (2990, 6800), (3128, 6500), (3250, 6256), (3400, 5980), (3536, 5750), (3680, 5525), (3910, 5200), (4000, 5083), (4250, 4784), (4420, 4600)]