20804738562

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1\times {\mathrm{1657}}^1$

素因数の和:2120

約数の個数: 96

約数和(自身を含む): 47487772800

約数和(自身を除く): 26683034238

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 67, 87, 134, 174, 201, 261, 359, 402, 522, 603, 718, 1077, 1206, 1657, 1943, 2154, 3231, 3314, 3886, 4971, 5829, 6462, 9942, 10411, 11658, 14913, 17487, 20822, 24053, 29826, 31233, 34974, 48053, 48106, 62466, 72159, 93699, 96106, 111019, 144159, 144318, 187398, 216477, 222038, 288318, 333057, 432477, 432954, 594863, 666114, 697537, 864954, 999171, 1189726, 1395074, 1784589, 1998342, 2092611, 3219551, 3569178, 4185222, 5353767, 6277833, 6439102, 9658653, 10707534, 12555666, 17251027, 19317306, 28975959, 34502054, 39855821, 51753081, 57951918, 79711642, 103506162, 119567463, 155259243, 239134926, 310518486, 358702389, 717404778, 1155818809, 2311637618, 3467456427, 6934912854, 10402369281, 20804738562]

約数ペア:

[(1, 20804738562), (2, 10402369281), (3, 6934912854), (6, 3467456427), (9, 2311637618), (18, 1155818809), (29, 717404778), (58, 358702389), (67, 310518486), (87, 239134926), (134, 155259243), (174, 119567463), (201, 103506162), (261, 79711642), (359, 57951918), (402, 51753081), (522, 39855821), (603, 34502054), (718, 28975959), (1077, 19317306), (1206, 17251027), (1657, 12555666), (1943, 10707534), (2154, 9658653), (3231, 6439102), (3314, 6277833), (3886, 5353767), (4971, 4185222), (5829, 3569178), (6462, 3219551), (9942, 2092611), (10411, 1998342), (11658, 1784589), (14913, 1395074), (17487, 1189726), (20822, 999171), (24053, 864954), (29826, 697537), (31233, 666114), (34974, 594863), (48053, 432954), (48106, 432477), (62466, 333057), (72159, 288318), (93699, 222038), (96106, 216477), (111019, 187398), (144159, 144318)]