20541360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12227}}^1$

素因数の和:12250

約数の個数: 80

約数和(自身を含む): 72781056

約数和(自身を除く): 52239696

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, 12227, 24454, 36681, 48908, 61135, 73362, 85589, 97816, 122270, 146724, 171178, 183405, 195632, 244540, 256767, 293448, 342356, 366810, 427945, 489080, 513534, 586896, 684712, 733620, 855890, 978160, 1027068, 1283835, 1369424, 1467240, 1711780, 2054136, 2567670, 2934480, 3423560, 4108272, 5135340, 6847120, 10270680, 20541360]

約数ペア:

[(1, 20541360), (2, 10270680), (3, 6847120), (4, 5135340), (5, 4108272), (6, 3423560), (7, 2934480), (8, 2567670), (10, 2054136), (12, 1711780), (14, 1467240), (15, 1369424), (16, 1283835), (20, 1027068), (21, 978160), (24, 855890), (28, 733620), (30, 684712), (35, 586896), (40, 513534), (42, 489080), (48, 427945), (56, 366810), (60, 342356), (70, 293448), (80, 256767), (84, 244540), (105, 195632), (112, 183405), (120, 171178), (140, 146724), (168, 122270), (210, 97816), (240, 85589), (280, 73362), (336, 61135), (420, 48908), (560, 36681), (840, 24454), (1680, 12227)]