20921972070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{306011}}^1$

素因数の和:306117

約数の個数: 64

約数和(自身を含む): 52350084864

約数和(自身を除く): 31428112794

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 53, 86, 106, 129, 159, 215, 258, 265, 318, 430, 530, 645, 795, 1290, 1590, 2279, 4558, 6837, 11395, 13674, 22790, 34185, 68370, 306011, 612022, 918033, 1530055, 1836066, 3060110, 4590165, 9180330, 13158473, 16218583, 26316946, 32437166, 39475419, 48655749, 65792365, 78950838, 81092915, 97311498, 131584730, 162185830, 197377095, 243278745, 394754190, 486557490, 697399069, 1394798138, 2092197207, 3486995345, 4184394414, 6973990690, 10460986035, 20921972070]

約数ペア:

[(1, 20921972070), (2, 10460986035), (3, 6973990690), (5, 4184394414), (6, 3486995345), (10, 2092197207), (15, 1394798138), (30, 697399069), (43, 486557490), (53, 394754190), (86, 243278745), (106, 197377095), (129, 162185830), (159, 131584730), (215, 97311498), (258, 81092915), (265, 78950838), (318, 65792365), (430, 48655749), (530, 39475419), (645, 32437166), (795, 26316946), (1290, 16218583), (1590, 13158473), (2279, 9180330), (4558, 4590165), (6837, 3060110), (11395, 1836066), (13674, 1530055), (22790, 918033), (34185, 612022), (68370, 306011)]