20172536580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{263}}^1\times {\mathrm{3727}}^1$

素因数の和:4023

約数の個数: 192

約数和(自身を含む): 66137702400

約数和(自身を除く): 45965165820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 263, 294, 343, 420, 490, 526, 588, 686, 735, 789, 980, 1029, 1052, 1315, 1372, 1470, 1578, 1715, 1841, 2058, 2630, 2940, 3156, 3430, 3682, 3727, 3945, 4116, 5145, 5260, 5523, 6860, 7364, 7454, 7890, 9205, 10290, 11046, 11181, 12887, 14908, 15780, 18410, 18635, 20580, 22092, 22362, 25774, 26089, 27615, 36820, 37270, 38661, 44724, 51548, 52178, 55230, 55905, 64435, 74540, 77322, 78267, 90209, 104356, 110460, 111810, 128870, 130445, 154644, 156534, 180418, 182623, 193305, 223620, 257740, 260890, 270627, 313068, 360836, 365246, 386610, 391335, 451045, 521780, 541254, 547869, 730492, 773220, 782670, 902090, 913115, 980201, 1082508, 1095738, 1278361, 1353135, 1565340, 1804180, 1826230, 1960402, 2191476, 2556722, 2706270, 2739345, 2940603, 3652460, 3835083, 3920804, 4901005, 5113444, 5412540, 5478690, 5881206, 6391805, 6861407, 7670166, 9802010, 10957380, 11762412, 12783610, 13722814, 14703015, 15340332, 19175415, 19604020, 20584221, 25567220, 27445628, 29406030, 34307035, 38350830, 41168442, 48029849, 58812060, 68614070, 76701660, 82336884, 96059698, 102921105, 137228140, 144089547, 192119396, 205842210, 240149245, 288179094, 336208943, 411684420, 480298490, 576358188, 672417886, 720447735, 960596980, 1008626829, 1344835772, 1440895470, 1681044715, 2017253658, 2881790940, 3362089430, 4034507316, 5043134145, 6724178860, 10086268290, 20172536580]

約数ペア:

[(1, 20172536580), (2, 10086268290), (3, 6724178860), (4, 5043134145), (5, 4034507316), (6, 3362089430), (7, 2881790940), (10, 2017253658), (12, 1681044715), (14, 1440895470), (15, 1344835772), (20, 1008626829), (21, 960596980), (28, 720447735), (30, 672417886), (35, 576358188), (42, 480298490), (49, 411684420), (60, 336208943), (70, 288179094), (84, 240149245), (98, 205842210), (105, 192119396), (140, 144089547), (147, 137228140), (196, 102921105), (210, 96059698), (245, 82336884), (263, 76701660), (294, 68614070), (343, 58812060), (420, 48029849), (490, 41168442), (526, 38350830), (588, 34307035), (686, 29406030), (735, 27445628), (789, 25567220), (980, 20584221), (1029, 19604020), (1052, 19175415), (1315, 15340332), (1372, 14703015), (1470, 13722814), (1578, 12783610), (1715, 11762412), (1841, 10957380), (2058, 9802010), (2630, 7670166), (2940, 6861407), (3156, 6391805), (3430, 5881206), (3682, 5478690), (3727, 5412540), (3945, 5113444), (4116, 4901005), (5145, 3920804), (5260, 3835083), (5523, 3652460), (6860, 2940603), (7364, 2739345), (7454, 2706270), (7890, 2556722), (9205, 2191476), (10290, 1960402), (11046, 1826230), (11181, 1804180), (12887, 1565340), (14908, 1353135), (15780, 1278361), (18410, 1095738), (18635, 1082508), (20580, 980201), (22092, 913115), (22362, 902090), (25774, 782670), (26089, 773220), (27615, 730492), (36820, 547869), (37270, 541254), (38661, 521780), (44724, 451045), (51548, 391335), (52178, 386610), (55230, 365246), (55905, 360836), (64435, 313068), (74540, 270627), (77322, 260890), (78267, 257740), (90209, 223620), (104356, 193305), (110460, 182623), (111810, 180418), (128870, 156534), (130445, 154644)]