20721109218

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{195103}}^1$

素因数の和:195710

約数の個数: 32

約数和(自身を含む): 42854203392

約数和(自身を除く): 22133094174

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 571, 1142, 1713, 3426, 17701, 35402, 53103, 106206, 195103, 390206, 585309, 1170618, 6048193, 12096386, 18144579, 36289158, 111403813, 222807626, 334211439, 668422878, 3453518203, 6907036406, 10360554609, 20721109218]

約数ペア:

[(1, 20721109218), (2, 10360554609), (3, 6907036406), (6, 3453518203), (31, 668422878), (62, 334211439), (93, 222807626), (186, 111403813), (571, 36289158), (1142, 18144579), (1713, 12096386), (3426, 6048193), (17701, 1170618), (35402, 585309), (53103, 390206), (106206, 195103)]