20006672

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2447}}^1$

素因数の和:2535

約数の個数: 40

約数和(自身を含む): 44925696

約数和(自身を除く): 24919024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2447, 4088, 4894, 8176, 9788, 17129, 19576, 34258, 39152, 68516, 137032, 178631, 274064, 357262, 714524, 1250417, 1429048, 2500834, 2858096, 5001668, 10003336, 20006672]

約数ペア:

[(1, 20006672), (2, 10003336), (4, 5001668), (7, 2858096), (8, 2500834), (14, 1429048), (16, 1250417), (28, 714524), (56, 357262), (73, 274064), (112, 178631), (146, 137032), (292, 68516), (511, 39152), (584, 34258), (1022, 19576), (1168, 17129), (2044, 9788), (2447, 8176), (4088, 4894)]