20843090

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 38997504

約数和(自身を除く): 18154414

約数列:

[1, 2, 5, 10, 47, 61, 94, 122, 235, 305, 470, 610, 727, 1454, 2867, 3635, 5734, 7270, 14335, 28670, 34169, 44347, 68338, 88694, 170845, 221735, 341690, 443470, 2084309, 4168618, 10421545, 20843090]

約数ペア:

[(1, 20843090), (2, 10421545), (5, 4168618), (10, 2084309), (47, 443470), (61, 341690), (94, 221735), (122, 170845), (235, 88694), (305, 68338), (470, 44347), (610, 34169), (727, 28670), (1454, 14335), (2867, 7270), (3635, 5734)]