20180580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48049}}^1$

素因数の和:48068

約数の個数: 48

約数和(自身を含む): 64579200

約数和(自身を除く): 44398620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48049, 96098, 144147, 192196, 240245, 288294, 336343, 480490, 576588, 672686, 720735, 960980, 1009029, 1345372, 1441470, 1681715, 2018058, 2882940, 3363430, 4036116, 5045145, 6726860, 10090290, 20180580]

約数ペア:

[(1, 20180580), (2, 10090290), (3, 6726860), (4, 5045145), (5, 4036116), (6, 3363430), (7, 2882940), (10, 2018058), (12, 1681715), (14, 1441470), (15, 1345372), (20, 1009029), (21, 960980), (28, 720735), (30, 672686), (35, 576588), (42, 480490), (60, 336343), (70, 288294), (84, 240245), (105, 192196), (140, 144147), (210, 96098), (420, 48049)]