20233404760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{25673}}^1$

素因数の和:25781

約数の個数: 128

約数和(自身を含む): 51573931200

約数和(自身を除く): 31340526440

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 61, 68, 76, 85, 95, 122, 136, 152, 170, 190, 244, 305, 323, 340, 380, 488, 610, 646, 680, 760, 1037, 1159, 1220, 1292, 1615, 2074, 2318, 2440, 2584, 3230, 4148, 4636, 5185, 5795, 6460, 8296, 9272, 10370, 11590, 12920, 19703, 20740, 23180, 25673, 39406, 41480, 46360, 51346, 78812, 98515, 102692, 128365, 157624, 197030, 205384, 256730, 394060, 436441, 487787, 513460, 788120, 872882, 975574, 1026920, 1566053, 1745764, 1951148, 2182205, 2438935, 3132106, 3491528, 3902296, 4364410, 4877870, 6264212, 7830265, 8292379, 8728820, 9755740, 12528424, 15660530, 16584758, 17457640, 19511480, 26622901, 29755007, 31321060, 33169516, 41461895, 53245802, 59510014, 62642120, 66339032, 82923790, 106491604, 119020028, 133114505, 148775035, 165847580, 212983208, 238040056, 266229010, 297550070, 331695160, 505835119, 532458020, 595100140, 1011670238, 1064916040, 1190200280, 2023340476, 2529175595, 4046680952, 5058351190, 10116702380, 20233404760]

約数ペア:

[(1, 20233404760), (2, 10116702380), (4, 5058351190), (5, 4046680952), (8, 2529175595), (10, 2023340476), (17, 1190200280), (19, 1064916040), (20, 1011670238), (34, 595100140), (38, 532458020), (40, 505835119), (61, 331695160), (68, 297550070), (76, 266229010), (85, 238040056), (95, 212983208), (122, 165847580), (136, 148775035), (152, 133114505), (170, 119020028), (190, 106491604), (244, 82923790), (305, 66339032), (323, 62642120), (340, 59510014), (380, 53245802), (488, 41461895), (610, 33169516), (646, 31321060), (680, 29755007), (760, 26622901), (1037, 19511480), (1159, 17457640), (1220, 16584758), (1292, 15660530), (1615, 12528424), (2074, 9755740), (2318, 8728820), (2440, 8292379), (2584, 7830265), (3230, 6264212), (4148, 4877870), (4636, 4364410), (5185, 3902296), (5795, 3491528), (6460, 3132106), (8296, 2438935), (9272, 2182205), (10370, 1951148), (11590, 1745764), (12920, 1566053), (19703, 1026920), (20740, 975574), (23180, 872882), (25673, 788120), (39406, 513460), (41480, 487787), (46360, 436441), (51346, 394060), (78812, 256730), (98515, 205384), (102692, 197030), (128365, 157624)]