20128911978

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{677}}^1\times {\mathrm{4397}}^1$

素因数の和:5116

約数の個数: 96

約数和(自身を含む): 48949951104

約数和(自身を除く): 28821039126

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 294, 322, 483, 677, 966, 1127, 1354, 2031, 2254, 3381, 4062, 4397, 4739, 6762, 8794, 9478, 13191, 14217, 15571, 26382, 28434, 30779, 31142, 33173, 46713, 61558, 66346, 92337, 93426, 99519, 101131, 108997, 184674, 199038, 202262, 215453, 217994, 303393, 326991, 430906, 606786, 646359, 653982, 707917, 762979, 1292718, 1415834, 1525958, 2123751, 2288937, 2976769, 4247502, 4577874, 4955419, 5953538, 8930307, 9910838, 14866257, 17860614, 20837383, 29732514, 41674766, 62512149, 68465687, 125024298, 136931374, 145861681, 205397061, 291723362, 410794122, 437585043, 479259809, 875170086, 958519618, 1437779427, 2875558854, 3354818663, 6709637326, 10064455989, 20128911978]

約数ペア:

[(1, 20128911978), (2, 10064455989), (3, 6709637326), (6, 3354818663), (7, 2875558854), (14, 1437779427), (21, 958519618), (23, 875170086), (42, 479259809), (46, 437585043), (49, 410794122), (69, 291723362), (98, 205397061), (138, 145861681), (147, 136931374), (161, 125024298), (294, 68465687), (322, 62512149), (483, 41674766), (677, 29732514), (966, 20837383), (1127, 17860614), (1354, 14866257), (2031, 9910838), (2254, 8930307), (3381, 5953538), (4062, 4955419), (4397, 4577874), (4739, 4247502), (6762, 2976769), (8794, 2288937), (9478, 2123751), (13191, 1525958), (14217, 1415834), (15571, 1292718), (26382, 762979), (28434, 707917), (30779, 653982), (31142, 646359), (33173, 606786), (46713, 430906), (61558, 326991), (66346, 303393), (92337, 217994), (93426, 215453), (99519, 202262), (101131, 199038), (108997, 184674)]