20101430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2251}}^1$

素因数の和:2324

約数の個数: 32

約数和(自身を含む): 38914560

約数和(自身を除く): 18813130

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2251, 4465, 4502, 8930, 11255, 22510, 42769, 85538, 105797, 211594, 213845, 427690, 528985, 1057970, 2010143, 4020286, 10050715, 20101430]

約数ペア:

[(1, 20101430), (2, 10050715), (5, 4020286), (10, 2010143), (19, 1057970), (38, 528985), (47, 427690), (94, 213845), (95, 211594), (190, 105797), (235, 85538), (470, 42769), (893, 22510), (1786, 11255), (2251, 8930), (4465, 4502)]