20558970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7877}}^1$

素因数の和:7919

約数の個数: 48

約数和(自身を含む): 55303560

約数和(自身を除く): 34744590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7877, 15754, 23631, 39385, 47262, 70893, 78770, 118155, 141786, 228433, 236310, 354465, 456866, 685299, 708930, 1142165, 1370598, 2055897, 2284330, 3426495, 4111794, 6852990, 10279485, 20558970]

約数ペア:

[(1, 20558970), (2, 10279485), (3, 6852990), (5, 4111794), (6, 3426495), (9, 2284330), (10, 2055897), (15, 1370598), (18, 1142165), (29, 708930), (30, 685299), (45, 456866), (58, 354465), (87, 236310), (90, 228433), (145, 141786), (174, 118155), (261, 78770), (290, 70893), (435, 47262), (522, 39385), (870, 23631), (1305, 15754), (2610, 7877)]