20715210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1051}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 56050560

約数和(自身を除く): 35335350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1051, 1095, 1314, 1971, 2102, 2190, 3153, 3285, 3942, 5255, 6306, 6570, 9459, 9855, 10510, 15765, 18918, 19710, 28377, 31530, 47295, 56754, 76723, 94590, 141885, 153446, 230169, 283770, 383615, 460338, 690507, 767230, 1150845, 1381014, 2071521, 2301690, 3452535, 4143042, 6905070, 10357605, 20715210]

約数ペア:

[(1, 20715210), (2, 10357605), (3, 6905070), (5, 4143042), (6, 3452535), (9, 2301690), (10, 2071521), (15, 1381014), (18, 1150845), (27, 767230), (30, 690507), (45, 460338), (54, 383615), (73, 283770), (90, 230169), (135, 153446), (146, 141885), (219, 94590), (270, 76723), (365, 56754), (438, 47295), (657, 31530), (730, 28377), (1051, 19710), (1095, 18918), (1314, 15765), (1971, 10510), (2102, 9855), (2190, 9459), (3153, 6570), (3285, 6306), (3942, 5255)]