2020005520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{677}}^1$

素因数の和:873

約数の個数: 160

約数和(自身を含む): 5367156480

約数和(自身を除く): 3347150960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 151, 152, 190, 208, 247, 260, 302, 304, 380, 494, 520, 604, 677, 755, 760, 988, 1040, 1208, 1235, 1354, 1510, 1520, 1963, 1976, 2416, 2470, 2708, 2869, 3020, 3385, 3926, 3952, 4940, 5416, 5738, 6040, 6770, 7852, 8801, 9815, 9880, 10832, 11476, 12080, 12863, 13540, 14345, 15704, 17602, 19630, 19760, 22952, 25726, 27080, 28690, 31408, 35204, 37297, 39260, 44005, 45904, 51452, 54160, 57380, 64315, 70408, 74594, 78520, 88010, 102227, 102904, 114760, 128630, 140816, 149188, 157040, 167219, 176020, 186485, 204454, 205808, 229520, 257260, 298376, 334438, 352040, 372970, 408908, 511135, 514520, 596752, 668876, 704080, 745940, 817816, 836095, 1022270, 1029040, 1328951, 1337752, 1491880, 1635632, 1672190, 1942313, 2044540, 2657902, 2675504, 2983760, 3344380, 3884626, 4089080, 5315804, 6644755, 6688760, 7769252, 8178160, 9711565, 10631608, 13289510, 13377520, 15538504, 19423130, 21263216, 25250069, 26579020, 31077008, 38846260, 50500138, 53158040, 77692520, 101000276, 106316080, 126250345, 155385040, 202000552, 252500690, 404001104, 505001380, 1010002760, 2020005520]

約数ペア:

[(1, 2020005520), (2, 1010002760), (4, 505001380), (5, 404001104), (8, 252500690), (10, 202000552), (13, 155385040), (16, 126250345), (19, 106316080), (20, 101000276), (26, 77692520), (38, 53158040), (40, 50500138), (52, 38846260), (65, 31077008), (76, 26579020), (80, 25250069), (95, 21263216), (104, 19423130), (130, 15538504), (151, 13377520), (152, 13289510), (190, 10631608), (208, 9711565), (247, 8178160), (260, 7769252), (302, 6688760), (304, 6644755), (380, 5315804), (494, 4089080), (520, 3884626), (604, 3344380), (677, 2983760), (755, 2675504), (760, 2657902), (988, 2044540), (1040, 1942313), (1208, 1672190), (1235, 1635632), (1354, 1491880), (1510, 1337752), (1520, 1328951), (1963, 1029040), (1976, 1022270), (2416, 836095), (2470, 817816), (2708, 745940), (2869, 704080), (3020, 668876), (3385, 596752), (3926, 514520), (3952, 511135), (4940, 408908), (5416, 372970), (5738, 352040), (6040, 334438), (6770, 298376), (7852, 257260), (8801, 229520), (9815, 205808), (9880, 204454), (10832, 186485), (11476, 176020), (12080, 167219), (12863, 157040), (13540, 149188), (14345, 140816), (15704, 128630), (17602, 114760), (19630, 102904), (19760, 102227), (22952, 88010), (25726, 78520), (27080, 74594), (28690, 70408), (31408, 64315), (35204, 57380), (37297, 54160), (39260, 51452), (44005, 45904)]