20161788822

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{3779}}^1$

素因数の和:4087

約数の個数: 144

約数和(自身を含む): 53241027840

約数和(自身を除く): 33079239018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 263, 294, 322, 414, 441, 483, 526, 789, 882, 966, 1127, 1449, 1578, 1841, 2254, 2367, 2898, 3381, 3682, 3779, 4734, 5523, 6049, 6762, 7558, 10143, 11046, 11337, 12098, 12887, 16569, 18147, 20286, 22674, 25774, 26453, 33138, 34011, 36294, 38661, 42343, 52906, 54441, 68022, 77322, 79359, 84686, 86917, 108882, 115983, 127029, 158718, 173834, 185171, 231966, 238077, 254058, 260751, 296401, 370342, 381087, 476154, 521502, 555513, 592802, 608419, 762174, 782253, 889203, 993877, 1111026, 1216838, 1564506, 1666539, 1778406, 1825257, 1987754, 2667609, 2981631, 3333078, 3650514, 4258933, 5335218, 5475771, 5963262, 6957139, 8517866, 8944893, 10951542, 12776799, 13914278, 17889786, 20871417, 22859171, 25553598, 38330397, 41742834, 45718342, 48699973, 62614251, 68577513, 76660794, 97399946, 125228502, 137155026, 146099919, 160014197, 205732539, 292199838, 320028394, 411465078, 438299757, 480042591, 876599514, 960085182, 1120099379, 1440127773, 2240198758, 2880255546, 3360298137, 6720596274, 10080894411, 20161788822]

約数ペア:

[(1, 20161788822), (2, 10080894411), (3, 6720596274), (6, 3360298137), (7, 2880255546), (9, 2240198758), (14, 1440127773), (18, 1120099379), (21, 960085182), (23, 876599514), (42, 480042591), (46, 438299757), (49, 411465078), (63, 320028394), (69, 292199838), (98, 205732539), (126, 160014197), (138, 146099919), (147, 137155026), (161, 125228502), (207, 97399946), (263, 76660794), (294, 68577513), (322, 62614251), (414, 48699973), (441, 45718342), (483, 41742834), (526, 38330397), (789, 25553598), (882, 22859171), (966, 20871417), (1127, 17889786), (1449, 13914278), (1578, 12776799), (1841, 10951542), (2254, 8944893), (2367, 8517866), (2898, 6957139), (3381, 5963262), (3682, 5475771), (3779, 5335218), (4734, 4258933), (5523, 3650514), (6049, 3333078), (6762, 2981631), (7558, 2667609), (10143, 1987754), (11046, 1825257), (11337, 1778406), (12098, 1666539), (12887, 1564506), (16569, 1216838), (18147, 1111026), (20286, 993877), (22674, 889203), (25774, 782253), (26453, 762174), (33138, 608419), (34011, 592802), (36294, 555513), (38661, 521502), (42343, 476154), (52906, 381087), (54441, 370342), (68022, 296401), (77322, 260751), (79359, 254058), (84686, 238077), (86917, 231966), (108882, 185171), (115983, 173834), (127029, 158718)]