20171007008

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{853}}^1\times {\mathrm{2557}}^1$

素因数の和:3454

約数の個数: 72

約数和(自身を含む): 42251033412

約数和(自身を除く): 22080026404

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 853, 1156, 1706, 2312, 2557, 3412, 4624, 5114, 6824, 9248, 10228, 13648, 14501, 20456, 27296, 29002, 40912, 43469, 58004, 81824, 86938, 116008, 173876, 232016, 246517, 347752, 464032, 493034, 695504, 738973, 986068, 1391008, 1477946, 1972136, 2181121, 2955892, 3944272, 4362242, 5911784, 7888544, 8724484, 11823568, 17448968, 23647136, 34897936, 37079057, 69795872, 74158114, 148316228, 296632456, 593264912, 630343969, 1186529824, 1260687938, 2521375876, 5042751752, 10085503504, 20171007008]

約数ペア:

[(1, 20171007008), (2, 10085503504), (4, 5042751752), (8, 2521375876), (16, 1260687938), (17, 1186529824), (32, 630343969), (34, 593264912), (68, 296632456), (136, 148316228), (272, 74158114), (289, 69795872), (544, 37079057), (578, 34897936), (853, 23647136), (1156, 17448968), (1706, 11823568), (2312, 8724484), (2557, 7888544), (3412, 5911784), (4624, 4362242), (5114, 3944272), (6824, 2955892), (9248, 2181121), (10228, 1972136), (13648, 1477946), (14501, 1391008), (20456, 986068), (27296, 738973), (29002, 695504), (40912, 493034), (43469, 464032), (58004, 347752), (81824, 246517), (86938, 232016), (116008, 173876)]