20379480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15439}}^1$

素因数の和:15464

約数の個数: 64

約数和(自身を含む): 66700800

約数和(自身を除く): 46321320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15439, 30878, 46317, 61756, 77195, 92634, 123512, 154390, 169829, 185268, 231585, 308780, 339658, 370536, 463170, 509487, 617560, 679316, 849145, 926340, 1018974, 1358632, 1698290, 1852680, 2037948, 2547435, 3396580, 4075896, 5094870, 6793160, 10189740, 20379480]

約数ペア:

[(1, 20379480), (2, 10189740), (3, 6793160), (4, 5094870), (5, 4075896), (6, 3396580), (8, 2547435), (10, 2037948), (11, 1852680), (12, 1698290), (15, 1358632), (20, 1018974), (22, 926340), (24, 849145), (30, 679316), (33, 617560), (40, 509487), (44, 463170), (55, 370536), (60, 339658), (66, 308780), (88, 231585), (110, 185268), (120, 169829), (132, 154390), (165, 123512), (220, 92634), (264, 77195), (330, 61756), (440, 46317), (660, 30878), (1320, 15439)]