20869914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15739}}^1$

素因数の和:15774

約数の個数: 32

約数和(自身を含む): 47597760

約数和(自身を除く): 26727846

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15739, 31478, 47217, 94434, 204607, 267563, 409214, 535126, 613821, 802689, 1227642, 1605378, 3478319, 6956638, 10434957, 20869914]

約数ペア:

[(1, 20869914), (2, 10434957), (3, 6956638), (6, 3478319), (13, 1605378), (17, 1227642), (26, 802689), (34, 613821), (39, 535126), (51, 409214), (78, 267563), (102, 204607), (221, 94434), (442, 47217), (663, 31478), (1326, 15739)]