20130740540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{868453}}^1$

素因数の和:868542

約数の個数: 48

約数和(自身を含む): 45229084320

約数和(自身を除く): 25098343780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 11590, 23180, 868453, 1736906, 3473812, 4342265, 8684530, 16500607, 17369060, 33001214, 52975633, 66002428, 82503035, 105951266, 165006070, 211902532, 264878165, 330012140, 529756330, 1006537027, 1059512660, 2013074054, 4026148108, 5032685135, 10065370270, 20130740540]

約数ペア:

[(1, 20130740540), (2, 10065370270), (4, 5032685135), (5, 4026148108), (10, 2013074054), (19, 1059512660), (20, 1006537027), (38, 529756330), (61, 330012140), (76, 264878165), (95, 211902532), (122, 165006070), (190, 105951266), (244, 82503035), (305, 66002428), (380, 52975633), (610, 33001214), (1159, 17369060), (1220, 16500607), (2318, 8684530), (4636, 4342265), (5795, 3473812), (11590, 1736906), (23180, 868453)]