20920004600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{3617}}^1$

素因数の和:3894

約数の個数: 144

約数和(自身を含む): 53701250400

約数和(自身を除く): 32781245800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 239, 242, 275, 440, 478, 484, 550, 605, 956, 968, 1100, 1195, 1210, 1912, 2200, 2390, 2420, 2629, 3025, 3617, 4780, 4840, 5258, 5975, 6050, 7234, 9560, 10516, 11950, 12100, 13145, 14468, 18085, 21032, 23900, 24200, 26290, 28919, 28936, 36170, 39787, 47800, 52580, 57838, 65725, 72340, 79574, 90425, 105160, 115676, 131450, 144595, 144680, 159148, 180850, 198935, 231352, 262900, 289190, 318296, 361700, 397870, 437657, 525800, 578380, 722975, 723400, 795740, 864463, 875314, 994675, 1156760, 1445950, 1591480, 1728926, 1750628, 1989350, 2188285, 2891900, 3457852, 3501256, 3978700, 4322315, 4376570, 5783800, 6915704, 7957400, 8644630, 8753140, 9509093, 10941425, 17289260, 17506280, 19018186, 21611575, 21882850, 34578520, 38036372, 43223150, 43765700, 47545465, 76072744, 86446300, 87531400, 95090930, 104600023, 172892600, 190181860, 209200046, 237727325, 380363720, 418400092, 475454650, 523000115, 836800184, 950909300, 1046000230, 1901818600, 2092000460, 2615000575, 4184000920, 5230001150, 10460002300, 20920004600]

約数ペア:

[(1, 20920004600), (2, 10460002300), (4, 5230001150), (5, 4184000920), (8, 2615000575), (10, 2092000460), (11, 1901818600), (20, 1046000230), (22, 950909300), (25, 836800184), (40, 523000115), (44, 475454650), (50, 418400092), (55, 380363720), (88, 237727325), (100, 209200046), (110, 190181860), (121, 172892600), (200, 104600023), (220, 95090930), (239, 87531400), (242, 86446300), (275, 76072744), (440, 47545465), (478, 43765700), (484, 43223150), (550, 38036372), (605, 34578520), (956, 21882850), (968, 21611575), (1100, 19018186), (1195, 17506280), (1210, 17289260), (1912, 10941425), (2200, 9509093), (2390, 8753140), (2420, 8644630), (2629, 7957400), (3025, 6915704), (3617, 5783800), (4780, 4376570), (4840, 4322315), (5258, 3978700), (5975, 3501256), (6050, 3457852), (7234, 2891900), (9560, 2188285), (10516, 1989350), (11950, 1750628), (12100, 1728926), (13145, 1591480), (14468, 1445950), (18085, 1156760), (21032, 994675), (23900, 875314), (24200, 864463), (26290, 795740), (28919, 723400), (28936, 722975), (36170, 578380), (39787, 525800), (47800, 437657), (52580, 397870), (57838, 361700), (65725, 318296), (72340, 289190), (79574, 262900), (90425, 231352), (105160, 198935), (115676, 180850), (131450, 159148), (144595, 144680)]