20847120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12409}}^1$

素因数の和:12432

約数の個数: 80

約数和(自身を含む): 73864320

約数和(自身を除く): 53017200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12409, 24818, 37227, 49636, 62045, 74454, 86863, 99272, 124090, 148908, 173726, 186135, 198544, 248180, 260589, 297816, 347452, 372270, 434315, 496360, 521178, 595632, 694904, 744540, 868630, 992720, 1042356, 1302945, 1389808, 1489080, 1737260, 2084712, 2605890, 2978160, 3474520, 4169424, 5211780, 6949040, 10423560, 20847120]

約数ペア:

[(1, 20847120), (2, 10423560), (3, 6949040), (4, 5211780), (5, 4169424), (6, 3474520), (7, 2978160), (8, 2605890), (10, 2084712), (12, 1737260), (14, 1489080), (15, 1389808), (16, 1302945), (20, 1042356), (21, 992720), (24, 868630), (28, 744540), (30, 694904), (35, 595632), (40, 521178), (42, 496360), (48, 434315), (56, 372270), (60, 347452), (70, 297816), (80, 260589), (84, 248180), (105, 198544), (112, 186135), (120, 173726), (140, 148908), (168, 124090), (210, 99272), (240, 86863), (280, 74454), (336, 62045), (420, 49636), (560, 37227), (840, 24818), (1680, 12409)]