20065890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2237}}^1$

素因数の和:2283

約数の個数: 64

約数和(自身を含む): 54141696

約数和(自身を除く): 34075806

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2237, 2990, 4474, 4485, 6711, 8970, 11185, 13422, 22370, 29081, 33555, 51451, 58162, 67110, 87243, 102902, 145405, 154353, 174486, 257255, 290810, 308706, 436215, 514510, 668863, 771765, 872430, 1337726, 1543530, 2006589, 3344315, 4013178, 6688630, 10032945, 20065890]

約数ペア:

[(1, 20065890), (2, 10032945), (3, 6688630), (5, 4013178), (6, 3344315), (10, 2006589), (13, 1543530), (15, 1337726), (23, 872430), (26, 771765), (30, 668863), (39, 514510), (46, 436215), (65, 308706), (69, 290810), (78, 257255), (115, 174486), (130, 154353), (138, 145405), (195, 102902), (230, 87243), (299, 67110), (345, 58162), (390, 51451), (598, 33555), (690, 29081), (897, 22370), (1495, 13422), (1794, 11185), (2237, 8970), (2990, 6711), (4474, 4485)]