20280319921

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{1777}}^1$

素因数の和:2129

約数の個数: 32

約数和(自身を含む): 22311766400

約数和(自身を除く): 2031446479

約数列:

[1, 19, 43, 61, 229, 817, 1159, 1777, 2623, 4351, 9847, 13969, 33763, 49837, 76411, 108397, 187093, 265411, 406933, 600667, 1451809, 2059543, 4661071, 7731727, 11412673, 17498119, 24822913, 88560349, 332464261, 471635347, 1067385259, 20280319921]

約数ペア:

[(1, 20280319921), (19, 1067385259), (43, 471635347), (61, 332464261), (229, 88560349), (817, 24822913), (1159, 17498119), (1777, 11412673), (2623, 7731727), (4351, 4661071), (9847, 2059543), (13969, 1451809), (33763, 600667), (49837, 406933), (76411, 265411), (108397, 187093)]