20982213

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5843}}^1$

素因数の和:5878

約数の個数: 32

約数和(自身を含む): 37401600

約数和(自身を除く): 16419387

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5843, 17529, 40901, 52587, 111017, 122703, 157761, 333051, 368109, 777119, 999153, 1104327, 2331357, 2997459, 6994071, 20982213]

約数ペア:

[(1, 20982213), (3, 6994071), (7, 2997459), (9, 2331357), (19, 1104327), (21, 999153), (27, 777119), (57, 368109), (63, 333051), (133, 157761), (171, 122703), (189, 111017), (399, 52587), (513, 40901), (1197, 17529), (3591, 5843)]