20856331331

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2969}}^1$

素因数の和:3108

約数の個数: 48

約数和(自身を含む): 25256642400

約数和(自身を除く): 4400311069

約数列:

[1, 11, 19, 29, 61, 209, 319, 361, 551, 671, 1159, 1769, 2969, 3971, 6061, 10469, 12749, 19459, 22021, 32659, 33611, 56411, 86101, 115159, 181109, 242231, 369721, 620521, 638609, 947111, 1071809, 1635919, 1992199, 3441071, 5252161, 7024699, 11789899, 17995109, 31082461, 37851781, 57773771, 65380349, 99791059, 341907071, 719183839, 1097701649, 1896030121, 20856331331]

約数ペア:

[(1, 20856331331), (11, 1896030121), (19, 1097701649), (29, 719183839), (61, 341907071), (209, 99791059), (319, 65380349), (361, 57773771), (551, 37851781), (671, 31082461), (1159, 17995109), (1769, 11789899), (2969, 7024699), (3971, 5252161), (6061, 3441071), (10469, 1992199), (12749, 1635919), (19459, 1071809), (22021, 947111), (32659, 638609), (33611, 620521), (56411, 369721), (86101, 242231), (115159, 181109)]