20246571852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{947341}}^1$

素因数の和:947498

約数の個数: 48

約数和(自身を含む): 51247412832

約数和(自身を除く): 31000840980

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 1644, 1781, 3562, 5343, 7124, 10686, 21372, 947341, 1894682, 2842023, 3789364, 5684046, 11368092, 12315433, 24630866, 36946299, 49261732, 73892598, 129785717, 147785196, 259571434, 389357151, 519142868, 778714302, 1557428604, 1687214321, 3374428642, 5061642963, 6748857284, 10123285926, 20246571852]

約数ペア:

[(1, 20246571852), (2, 10123285926), (3, 6748857284), (4, 5061642963), (6, 3374428642), (12, 1687214321), (13, 1557428604), (26, 778714302), (39, 519142868), (52, 389357151), (78, 259571434), (137, 147785196), (156, 129785717), (274, 73892598), (411, 49261732), (548, 36946299), (822, 24630866), (1644, 12315433), (1781, 11368092), (3562, 5684046), (5343, 3789364), (7124, 2842023), (10686, 1894682), (21372, 947341)]