20066800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 120

約数和(自身を含む): 55215216

約数和(自身を除く): 35148416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 170, 200, 208, 221, 227, 260, 272, 325, 340, 400, 425, 442, 454, 520, 650, 680, 850, 884, 908, 1040, 1105, 1135, 1300, 1360, 1700, 1768, 1816, 2210, 2270, 2600, 2951, 3400, 3536, 3632, 3859, 4420, 4540, 5200, 5525, 5675, 5902, 6800, 7718, 8840, 9080, 11050, 11350, 11804, 14755, 15436, 17680, 18160, 19295, 22100, 22700, 23608, 29510, 30872, 38590, 44200, 45400, 47216, 50167, 59020, 61744, 73775, 77180, 88400, 90800, 96475, 100334, 118040, 147550, 154360, 192950, 200668, 236080, 250835, 295100, 308720, 385900, 401336, 501670, 590200, 771800, 802672, 1003340, 1180400, 1254175, 1543600, 2006680, 2508350, 4013360, 5016700, 10033400, 20066800]

約数ペア:

[(1, 20066800), (2, 10033400), (4, 5016700), (5, 4013360), (8, 2508350), (10, 2006680), (13, 1543600), (16, 1254175), (17, 1180400), (20, 1003340), (25, 802672), (26, 771800), (34, 590200), (40, 501670), (50, 401336), (52, 385900), (65, 308720), (68, 295100), (80, 250835), (85, 236080), (100, 200668), (104, 192950), (130, 154360), (136, 147550), (170, 118040), (200, 100334), (208, 96475), (221, 90800), (227, 88400), (260, 77180), (272, 73775), (325, 61744), (340, 59020), (400, 50167), (425, 47216), (442, 45400), (454, 44200), (520, 38590), (650, 30872), (680, 29510), (850, 23608), (884, 22700), (908, 22100), (1040, 19295), (1105, 18160), (1135, 17680), (1300, 15436), (1360, 14755), (1700, 11804), (1768, 11350), (1816, 11050), (2210, 9080), (2270, 8840), (2600, 7718), (2951, 6800), (3400, 5902), (3536, 5675), (3632, 5525), (3859, 5200), (4420, 4540)]