20499060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 60383232

約数和(自身を除く): 39884172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 103, 107, 124, 155, 186, 206, 214, 309, 310, 321, 372, 412, 428, 465, 515, 535, 618, 620, 642, 930, 1030, 1070, 1236, 1284, 1545, 1605, 1860, 2060, 2140, 3090, 3193, 3210, 3317, 6180, 6386, 6420, 6634, 9579, 9951, 11021, 12772, 13268, 15965, 16585, 19158, 19902, 22042, 31930, 33063, 33170, 38316, 39804, 44084, 47895, 49755, 55105, 63860, 66126, 66340, 95790, 99510, 110210, 132252, 165315, 191580, 199020, 220420, 330630, 341651, 661260, 683302, 1024953, 1366604, 1708255, 2049906, 3416510, 4099812, 5124765, 6833020, 10249530, 20499060]

約数ペア:

[(1, 20499060), (2, 10249530), (3, 6833020), (4, 5124765), (5, 4099812), (6, 3416510), (10, 2049906), (12, 1708255), (15, 1366604), (20, 1024953), (30, 683302), (31, 661260), (60, 341651), (62, 330630), (93, 220420), (103, 199020), (107, 191580), (124, 165315), (155, 132252), (186, 110210), (206, 99510), (214, 95790), (309, 66340), (310, 66126), (321, 63860), (372, 55105), (412, 49755), (428, 47895), (465, 44084), (515, 39804), (535, 38316), (618, 33170), (620, 33063), (642, 31930), (930, 22042), (1030, 19902), (1070, 19158), (1236, 16585), (1284, 15965), (1545, 13268), (1605, 12772), (1860, 11021), (2060, 9951), (2140, 9579), (3090, 6634), (3193, 6420), (3210, 6386), (3317, 6180)]