20237140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{773}}^1$

素因数の和:817

約数の個数: 96

約数和(自身を含む): 56173824

約数和(自身を除く): 35936684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 773, 935, 1190, 1309, 1540, 1546, 1870, 2380, 2618, 3092, 3740, 3865, 5236, 5411, 6545, 7730, 8503, 10822, 13090, 13141, 15460, 17006, 21644, 26180, 26282, 27055, 34012, 42515, 52564, 54110, 59521, 65705, 85030, 91987, 108220, 119042, 131410, 144551, 170060, 183974, 238084, 262820, 289102, 297605, 367948, 459935, 578204, 595210, 722755, 919870, 1011857, 1190420, 1445510, 1839740, 2023714, 2891020, 4047428, 5059285, 10118570, 20237140]

約数ペア:

[(1, 20237140), (2, 10118570), (4, 5059285), (5, 4047428), (7, 2891020), (10, 2023714), (11, 1839740), (14, 1445510), (17, 1190420), (20, 1011857), (22, 919870), (28, 722755), (34, 595210), (35, 578204), (44, 459935), (55, 367948), (68, 297605), (70, 289102), (77, 262820), (85, 238084), (110, 183974), (119, 170060), (140, 144551), (154, 131410), (170, 119042), (187, 108220), (220, 91987), (238, 85030), (308, 65705), (340, 59521), (374, 54110), (385, 52564), (476, 42515), (595, 34012), (748, 27055), (770, 26282), (773, 26180), (935, 21644), (1190, 17006), (1309, 15460), (1540, 13141), (1546, 13090), (1870, 10822), (2380, 8503), (2618, 7730), (3092, 6545), (3740, 5411), (3865, 5236)]