20807727830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6442021}}^1$

素因数の和:6442064

約数の個数: 32

約数和(自身を含む): 41744302560

約数和(自身を除く): 20936574730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6442021, 12884042, 32210105, 64420210, 109514357, 122398399, 219028714, 244796798, 547571785, 611991995, 1095143570, 1223983990, 2080772783, 4161545566, 10403863915, 20807727830]

約数ペア:

[(1, 20807727830), (2, 10403863915), (5, 4161545566), (10, 2080772783), (17, 1223983990), (19, 1095143570), (34, 611991995), (38, 547571785), (85, 244796798), (95, 219028714), (170, 122398399), (190, 109514357), (323, 64420210), (646, 32210105), (1615, 12884042), (3230, 6442021)]