20107770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 51788160

約数和(自身を除く): 31680390

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 89, 102, 170, 178, 255, 267, 443, 445, 510, 534, 886, 890, 1329, 1335, 1513, 2215, 2658, 2670, 3026, 4430, 4539, 6645, 7531, 7565, 9078, 13290, 15062, 15130, 22593, 22695, 37655, 39427, 45186, 45390, 75310, 78854, 112965, 118281, 197135, 225930, 236562, 394270, 591405, 670259, 1182810, 1340518, 2010777, 3351295, 4021554, 6702590, 10053885, 20107770]

約数ペア:

[(1, 20107770), (2, 10053885), (3, 6702590), (5, 4021554), (6, 3351295), (10, 2010777), (15, 1340518), (17, 1182810), (30, 670259), (34, 591405), (51, 394270), (85, 236562), (89, 225930), (102, 197135), (170, 118281), (178, 112965), (255, 78854), (267, 75310), (443, 45390), (445, 45186), (510, 39427), (534, 37655), (886, 22695), (890, 22593), (1329, 15130), (1335, 15062), (1513, 13290), (2215, 9078), (2658, 7565), (2670, 7531), (3026, 6645), (4430, 4539)]