20420370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 55520640

約数和(自身を除く): 35100270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 90, 106, 135, 159, 265, 270, 318, 477, 530, 795, 954, 1427, 1431, 1590, 2385, 2854, 2862, 4281, 4770, 7135, 7155, 8562, 12843, 14270, 14310, 21405, 25686, 38529, 42810, 64215, 75631, 77058, 128430, 151262, 192645, 226893, 378155, 385290, 453786, 680679, 756310, 1134465, 1361358, 2042037, 2268930, 3403395, 4084074, 6806790, 10210185, 20420370]

約数ペア:

[(1, 20420370), (2, 10210185), (3, 6806790), (5, 4084074), (6, 3403395), (9, 2268930), (10, 2042037), (15, 1361358), (18, 1134465), (27, 756310), (30, 680679), (45, 453786), (53, 385290), (54, 378155), (90, 226893), (106, 192645), (135, 151262), (159, 128430), (265, 77058), (270, 75631), (318, 64215), (477, 42810), (530, 38529), (795, 25686), (954, 21405), (1427, 14310), (1431, 14270), (1590, 12843), (2385, 8562), (2854, 7155), (2862, 7135), (4281, 4770)]