20878494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38239}}^1$

素因数の和:38264

約数の個数: 32

約数和(自身を含む): 51394560

約数和(自身を除く): 30516066

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38239, 76478, 114717, 229434, 267673, 497107, 535346, 803019, 994214, 1491321, 1606038, 2982642, 3479749, 6959498, 10439247, 20878494]

約数ペア:

[(1, 20878494), (2, 10439247), (3, 6959498), (6, 3479749), (7, 2982642), (13, 1606038), (14, 1491321), (21, 994214), (26, 803019), (39, 535346), (42, 497107), (78, 267673), (91, 229434), (182, 114717), (273, 76478), (546, 38239)]