20629560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:661

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 51946440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 599, 615, 820, 840, 861, 984, 1148, 1198, 1230, 1435, 1640, 1722, 1797, 2296, 2396, 2460, 2870, 2995, 3444, 3594, 4193, 4305, 4792, 4920, 5740, 5990, 6888, 7188, 8386, 8610, 8985, 11480, 11980, 12579, 14376, 16772, 17220, 17970, 20965, 23960, 24559, 25158, 33544, 34440, 35940, 41930, 49118, 50316, 62895, 71880, 73677, 83860, 98236, 100632, 122795, 125790, 147354, 167720, 171913, 196472, 245590, 251580, 294708, 343826, 368385, 491180, 503160, 515739, 589416, 687652, 736770, 859565, 982360, 1031478, 1375304, 1473540, 1719130, 2062956, 2578695, 2947080, 3438260, 4125912, 5157390, 6876520, 10314780, 20629560]

約数ペア:

[(1, 20629560), (2, 10314780), (3, 6876520), (4, 5157390), (5, 4125912), (6, 3438260), (7, 2947080), (8, 2578695), (10, 2062956), (12, 1719130), (14, 1473540), (15, 1375304), (20, 1031478), (21, 982360), (24, 859565), (28, 736770), (30, 687652), (35, 589416), (40, 515739), (41, 503160), (42, 491180), (56, 368385), (60, 343826), (70, 294708), (82, 251580), (84, 245590), (105, 196472), (120, 171913), (123, 167720), (140, 147354), (164, 125790), (168, 122795), (205, 100632), (210, 98236), (246, 83860), (280, 73677), (287, 71880), (328, 62895), (410, 50316), (420, 49118), (492, 41930), (574, 35940), (599, 34440), (615, 33544), (820, 25158), (840, 24559), (861, 23960), (984, 20965), (1148, 17970), (1198, 17220), (1230, 16772), (1435, 14376), (1640, 12579), (1722, 11980), (1797, 11480), (2296, 8985), (2396, 8610), (2460, 8386), (2870, 7188), (2995, 6888), (3444, 5990), (3594, 5740), (4193, 4920), (4305, 4792)]