20175111940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{718999}}^1$

素因数の和:719092

約数の個数: 48

約数和(自身を含む): 44934624000

約数和(自身を除く): 24759512060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1403, 2806, 5612, 7015, 14030, 28060, 718999, 1437998, 2875996, 3594995, 7189990, 14379980, 16536977, 33073954, 43858939, 66147908, 82684885, 87717878, 165369770, 175435756, 219294695, 330739540, 438589390, 877178780, 1008755597, 2017511194, 4035022388, 5043777985, 10087555970, 20175111940]

約数ペア:

[(1, 20175111940), (2, 10087555970), (4, 5043777985), (5, 4035022388), (10, 2017511194), (20, 1008755597), (23, 877178780), (46, 438589390), (61, 330739540), (92, 219294695), (115, 175435756), (122, 165369770), (230, 87717878), (244, 82684885), (305, 66147908), (460, 43858939), (610, 33073954), (1220, 16536977), (1403, 14379980), (2806, 7189990), (5612, 3594995), (7015, 2875996), (14030, 1437998), (28060, 718999)]