20157030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7723}}^1$

素因数の和:7765

約数の個数: 48

約数和(自身を含む): 54222480

約数和(自身を除く): 34065450

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, 7723, 15446, 23169, 38615, 46338, 69507, 77230, 115845, 139014, 223967, 231690, 347535, 447934, 671901, 695070, 1119835, 1343802, 2015703, 2239670, 3359505, 4031406, 6719010, 10078515, 20157030]

約数ペア:

[(1, 20157030), (2, 10078515), (3, 6719010), (5, 4031406), (6, 3359505), (9, 2239670), (10, 2015703), (15, 1343802), (18, 1119835), (29, 695070), (30, 671901), (45, 447934), (58, 347535), (87, 231690), (90, 223967), (145, 139014), (174, 115845), (261, 77230), (290, 69507), (435, 46338), (522, 38615), (870, 23169), (1305, 15446), (2610, 7723)]