20835282

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 47496960

約数和(自身を除く): 26661678

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 61, 78, 87, 122, 151, 174, 183, 302, 366, 377, 453, 754, 793, 906, 1131, 1586, 1769, 1963, 2262, 2379, 3538, 3926, 4379, 4758, 5307, 5889, 8758, 9211, 10614, 11778, 13137, 18422, 22997, 26274, 27633, 45994, 55266, 56927, 68991, 113854, 119743, 137982, 170781, 239486, 267119, 341562, 359229, 534238, 718458, 801357, 1602714, 3472547, 6945094, 10417641, 20835282]

約数ペア:

[(1, 20835282), (2, 10417641), (3, 6945094), (6, 3472547), (13, 1602714), (26, 801357), (29, 718458), (39, 534238), (58, 359229), (61, 341562), (78, 267119), (87, 239486), (122, 170781), (151, 137982), (174, 119743), (183, 113854), (302, 68991), (366, 56927), (377, 55266), (453, 45994), (754, 27633), (793, 26274), (906, 22997), (1131, 18422), (1586, 13137), (1769, 11778), (1963, 10614), (2262, 9211), (2379, 8758), (3538, 5889), (3926, 5307), (4379, 4758)]