20193990120

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2077571}}^1$

素因数の和:2077597

約数の個数: 96

約数和(自身を含む): 68061258720

約数和(自身を除く): 47867268600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 2077571, 4155142, 6232713, 8310284, 10387855, 12465426, 16620568, 18698139, 20775710, 24930852, 31163565, 37396278, 41551420, 49861704, 56094417, 62327130, 74792556, 83102840, 93490695, 112188834, 124654260, 149585112, 168283251, 186981390, 224377668, 249308520, 280472085, 336566502, 373962780, 448755336, 504849753, 560944170, 673133004, 747925560, 841416255, 1009699506, 1121888340, 1346266008, 1682832510, 2019399012, 2243776680, 2524248765, 3365665020, 4038798024, 5048497530, 6731330040, 10096995060, 20193990120]

約数ペア:

[(1, 20193990120), (2, 10096995060), (3, 6731330040), (4, 5048497530), (5, 4038798024), (6, 3365665020), (8, 2524248765), (9, 2243776680), (10, 2019399012), (12, 1682832510), (15, 1346266008), (18, 1121888340), (20, 1009699506), (24, 841416255), (27, 747925560), (30, 673133004), (36, 560944170), (40, 504849753), (45, 448755336), (54, 373962780), (60, 336566502), (72, 280472085), (81, 249308520), (90, 224377668), (108, 186981390), (120, 168283251), (135, 149585112), (162, 124654260), (180, 112188834), (216, 93490695), (243, 83102840), (270, 74792556), (324, 62327130), (360, 56094417), (405, 49861704), (486, 41551420), (540, 37396278), (648, 31163565), (810, 24930852), (972, 20775710), (1080, 18698139), (1215, 16620568), (1620, 12465426), (1944, 10387855), (2430, 8310284), (3240, 6232713), (4860, 4155142), (9720, 2077571)]