20559864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 57579120

約数和(自身を除く): 37019256

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 137, 148, 156, 169, 222, 274, 296, 312, 338, 411, 444, 481, 507, 548, 676, 822, 888, 962, 1014, 1096, 1352, 1443, 1644, 1781, 1924, 2028, 2886, 3288, 3562, 3848, 4056, 5069, 5343, 5772, 6253, 7124, 10138, 10686, 11544, 12506, 14248, 15207, 18759, 20276, 21372, 23153, 25012, 30414, 37518, 40552, 42744, 46306, 50024, 60828, 65897, 69459, 75036, 92612, 121656, 131794, 138918, 150072, 185224, 197691, 263588, 277836, 395382, 527176, 555672, 790764, 856661, 1581528, 1713322, 2569983, 3426644, 5139966, 6853288, 10279932, 20559864]

約数ペア:

[(1, 20559864), (2, 10279932), (3, 6853288), (4, 5139966), (6, 3426644), (8, 2569983), (12, 1713322), (13, 1581528), (24, 856661), (26, 790764), (37, 555672), (39, 527176), (52, 395382), (74, 277836), (78, 263588), (104, 197691), (111, 185224), (137, 150072), (148, 138918), (156, 131794), (169, 121656), (222, 92612), (274, 75036), (296, 69459), (312, 65897), (338, 60828), (411, 50024), (444, 46306), (481, 42744), (507, 40552), (548, 37518), (676, 30414), (822, 25012), (888, 23153), (962, 21372), (1014, 20276), (1096, 18759), (1352, 15207), (1443, 14248), (1644, 12506), (1781, 11544), (1924, 10686), (2028, 10138), (2886, 7124), (3288, 6253), (3562, 5772), (3848, 5343), (4056, 5069)]