20346950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1409

約数の個数: 48

約数和(自身を含む): 42559776

約数和(自身を除く): 22212826

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1361, 1495, 2722, 2990, 6805, 7475, 13610, 14950, 17693, 31303, 34025, 35386, 62606, 68050, 88465, 156515, 176930, 313030, 406939, 442325, 782575, 813878, 884650, 1565150, 2034695, 4069390, 10173475, 20346950]

約数ペア:

[(1, 20346950), (2, 10173475), (5, 4069390), (10, 2034695), (13, 1565150), (23, 884650), (25, 813878), (26, 782575), (46, 442325), (50, 406939), (65, 313030), (115, 176930), (130, 156515), (230, 88465), (299, 68050), (325, 62606), (575, 35386), (598, 34025), (650, 31303), (1150, 17693), (1361, 14950), (1495, 13610), (2722, 7475), (2990, 6805)]