20443260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 40843140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 58, 60, 62, 87, 93, 116, 124, 145, 155, 174, 186, 290, 310, 348, 372, 379, 435, 465, 580, 620, 758, 870, 899, 930, 1137, 1516, 1740, 1798, 1860, 1895, 2274, 2697, 3596, 3790, 4495, 4548, 5394, 5685, 7580, 8990, 10788, 10991, 11370, 11749, 13485, 17980, 21982, 22740, 23498, 26970, 32973, 35247, 43964, 46996, 53940, 54955, 58745, 65946, 70494, 109910, 117490, 131892, 140988, 164865, 176235, 219820, 234980, 329730, 340721, 352470, 659460, 681442, 704940, 1022163, 1362884, 1703605, 2044326, 3407210, 4088652, 5110815, 6814420, 10221630, 20443260]

約数ペア:

[(1, 20443260), (2, 10221630), (3, 6814420), (4, 5110815), (5, 4088652), (6, 3407210), (10, 2044326), (12, 1703605), (15, 1362884), (20, 1022163), (29, 704940), (30, 681442), (31, 659460), (58, 352470), (60, 340721), (62, 329730), (87, 234980), (93, 219820), (116, 176235), (124, 164865), (145, 140988), (155, 131892), (174, 117490), (186, 109910), (290, 70494), (310, 65946), (348, 58745), (372, 54955), (379, 53940), (435, 46996), (465, 43964), (580, 35247), (620, 32973), (758, 26970), (870, 23498), (899, 22740), (930, 21982), (1137, 17980), (1516, 13485), (1740, 11749), (1798, 11370), (1860, 10991), (1895, 10788), (2274, 8990), (2697, 7580), (3596, 5685), (3790, 5394), (4495, 4548)]