20677644

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 42064308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 23, 26, 34, 36, 39, 46, 51, 52, 68, 69, 78, 92, 102, 113, 117, 138, 153, 156, 204, 207, 221, 226, 234, 276, 299, 306, 339, 391, 414, 442, 452, 468, 598, 612, 663, 678, 782, 828, 884, 897, 1017, 1173, 1196, 1326, 1356, 1469, 1564, 1794, 1921, 1989, 2034, 2346, 2599, 2652, 2691, 2938, 3519, 3588, 3842, 3978, 4068, 4407, 4692, 5083, 5198, 5382, 5763, 5876, 7038, 7684, 7797, 7956, 8814, 10166, 10396, 10764, 11526, 13221, 14076, 15249, 15594, 17289, 17628, 20332, 23052, 23391, 24973, 26442, 30498, 31188, 33787, 34578, 44183, 45747, 46782, 49946, 52884, 60996, 67574, 69156, 74919, 88366, 91494, 93564, 99892, 101361, 132549, 135148, 149838, 176732, 182988, 202722, 224757, 265098, 299676, 304083, 397647, 405444, 449514, 530196, 574379, 608166, 795294, 899028, 1148758, 1216332, 1590588, 1723137, 2297516, 3446274, 5169411, 6892548, 10338822, 20677644]

約数ペア:

[(1, 20677644), (2, 10338822), (3, 6892548), (4, 5169411), (6, 3446274), (9, 2297516), (12, 1723137), (13, 1590588), (17, 1216332), (18, 1148758), (23, 899028), (26, 795294), (34, 608166), (36, 574379), (39, 530196), (46, 449514), (51, 405444), (52, 397647), (68, 304083), (69, 299676), (78, 265098), (92, 224757), (102, 202722), (113, 182988), (117, 176732), (138, 149838), (153, 135148), (156, 132549), (204, 101361), (207, 99892), (221, 93564), (226, 91494), (234, 88366), (276, 74919), (299, 69156), (306, 67574), (339, 60996), (391, 52884), (414, 49946), (442, 46782), (452, 45747), (468, 44183), (598, 34578), (612, 33787), (663, 31188), (678, 30498), (782, 26442), (828, 24973), (884, 23391), (897, 23052), (1017, 20332), (1173, 17628), (1196, 17289), (1326, 15594), (1356, 15249), (1469, 14076), (1564, 13221), (1794, 11526), (1921, 10764), (1989, 10396), (2034, 10166), (2346, 8814), (2599, 7956), (2652, 7797), (2691, 7684), (2938, 7038), (3519, 5876), (3588, 5763), (3842, 5382), (3978, 5198), (4068, 5083), (4407, 4692)]