20284368

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32507}}^1$

素因数の和:32531

約数の個数: 40

約数和(自身を含む): 56433888

約数和(自身を除く): 36149520

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32507, 65014, 97521, 130028, 195042, 260056, 390084, 422591, 520112, 780168, 845182, 1267773, 1560336, 1690364, 2535546, 3380728, 5071092, 6761456, 10142184, 20284368]

約数ペア:

[(1, 20284368), (2, 10142184), (3, 6761456), (4, 5071092), (6, 3380728), (8, 2535546), (12, 1690364), (13, 1560336), (16, 1267773), (24, 845182), (26, 780168), (39, 520112), (48, 422591), (52, 390084), (78, 260056), (104, 195042), (156, 130028), (208, 97521), (312, 65014), (624, 32507)]