20382000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 160

約数和(自身を含む): 68090880

約数和(自身を除く): 47708880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 43, 48, 50, 60, 75, 79, 80, 86, 100, 120, 125, 129, 150, 158, 172, 200, 215, 237, 240, 250, 258, 300, 316, 344, 375, 395, 400, 430, 474, 500, 516, 600, 632, 645, 688, 750, 790, 860, 948, 1000, 1032, 1075, 1185, 1200, 1264, 1290, 1500, 1580, 1720, 1896, 1975, 2000, 2064, 2150, 2370, 2580, 3000, 3160, 3225, 3397, 3440, 3792, 3950, 4300, 4740, 5160, 5375, 5925, 6000, 6320, 6450, 6794, 7900, 8600, 9480, 9875, 10191, 10320, 10750, 11850, 12900, 13588, 15800, 16125, 16985, 17200, 18960, 19750, 20382, 21500, 23700, 25800, 27176, 29625, 31600, 32250, 33970, 39500, 40764, 43000, 47400, 50955, 51600, 54352, 59250, 64500, 67940, 79000, 81528, 84925, 86000, 94800, 101910, 118500, 129000, 135880, 158000, 163056, 169850, 203820, 237000, 254775, 258000, 271760, 339700, 407640, 424625, 474000, 509550, 679400, 815280, 849250, 1019100, 1273875, 1358800, 1698500, 2038200, 2547750, 3397000, 4076400, 5095500, 6794000, 10191000, 20382000]

約数ペア:

[(1, 20382000), (2, 10191000), (3, 6794000), (4, 5095500), (5, 4076400), (6, 3397000), (8, 2547750), (10, 2038200), (12, 1698500), (15, 1358800), (16, 1273875), (20, 1019100), (24, 849250), (25, 815280), (30, 679400), (40, 509550), (43, 474000), (48, 424625), (50, 407640), (60, 339700), (75, 271760), (79, 258000), (80, 254775), (86, 237000), (100, 203820), (120, 169850), (125, 163056), (129, 158000), (150, 135880), (158, 129000), (172, 118500), (200, 101910), (215, 94800), (237, 86000), (240, 84925), (250, 81528), (258, 79000), (300, 67940), (316, 64500), (344, 59250), (375, 54352), (395, 51600), (400, 50955), (430, 47400), (474, 43000), (500, 40764), (516, 39500), (600, 33970), (632, 32250), (645, 31600), (688, 29625), (750, 27176), (790, 25800), (860, 23700), (948, 21500), (1000, 20382), (1032, 19750), (1075, 18960), (1185, 17200), (1200, 16985), (1264, 16125), (1290, 15800), (1500, 13588), (1580, 12900), (1720, 11850), (1896, 10750), (1975, 10320), (2000, 10191), (2064, 9875), (2150, 9480), (2370, 8600), (2580, 7900), (3000, 6794), (3160, 6450), (3225, 6320), (3397, 6000), (3440, 5925), (3792, 5375), (3950, 5160), (4300, 4740)]