20195490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5657}}^1$

素因数の和:5691

約数の個数: 64

約数和(自身を含む): 58662144

約数和(自身を除く): 38466654

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 5657, 11314, 16971, 28285, 33942, 39599, 56570, 79198, 84855, 96169, 118797, 169710, 192338, 197995, 237594, 288507, 395990, 480845, 577014, 593985, 673183, 961690, 1187970, 1346366, 1442535, 2019549, 2885070, 3365915, 4039098, 6731830, 10097745, 20195490]

約数ペア:

[(1, 20195490), (2, 10097745), (3, 6731830), (5, 4039098), (6, 3365915), (7, 2885070), (10, 2019549), (14, 1442535), (15, 1346366), (17, 1187970), (21, 961690), (30, 673183), (34, 593985), (35, 577014), (42, 480845), (51, 395990), (70, 288507), (85, 237594), (102, 197995), (105, 192338), (119, 169710), (170, 118797), (210, 96169), (238, 84855), (255, 79198), (357, 56570), (510, 39599), (595, 33942), (714, 28285), (1190, 16971), (1785, 11314), (3570, 5657)]