20187420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 62657280

約数和(自身を除く): 42469860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 73, 110, 132, 146, 165, 219, 220, 292, 330, 365, 419, 438, 660, 730, 803, 838, 876, 1095, 1257, 1460, 1606, 1676, 2095, 2190, 2409, 2514, 3212, 4015, 4190, 4380, 4609, 4818, 5028, 6285, 8030, 8380, 9218, 9636, 12045, 12570, 13827, 16060, 18436, 23045, 24090, 25140, 27654, 30587, 46090, 48180, 55308, 61174, 69135, 91761, 92180, 122348, 138270, 152935, 183522, 276540, 305870, 336457, 367044, 458805, 611740, 672914, 917610, 1009371, 1345828, 1682285, 1835220, 2018742, 3364570, 4037484, 5046855, 6729140, 10093710, 20187420]

約数ペア:

[(1, 20187420), (2, 10093710), (3, 6729140), (4, 5046855), (5, 4037484), (6, 3364570), (10, 2018742), (11, 1835220), (12, 1682285), (15, 1345828), (20, 1009371), (22, 917610), (30, 672914), (33, 611740), (44, 458805), (55, 367044), (60, 336457), (66, 305870), (73, 276540), (110, 183522), (132, 152935), (146, 138270), (165, 122348), (219, 92180), (220, 91761), (292, 69135), (330, 61174), (365, 55308), (419, 48180), (438, 46090), (660, 30587), (730, 27654), (803, 25140), (838, 24090), (876, 23045), (1095, 18436), (1257, 16060), (1460, 13827), (1606, 12570), (1676, 12045), (2095, 9636), (2190, 9218), (2409, 8380), (2514, 8030), (3212, 6285), (4015, 5028), (4190, 4818), (4380, 4609)]