20380620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 68584320

約数和(自身を除く): 48203700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 29, 30, 34, 39, 51, 52, 53, 58, 60, 65, 68, 78, 85, 87, 102, 106, 116, 130, 145, 156, 159, 170, 174, 195, 204, 212, 221, 255, 260, 265, 290, 318, 340, 348, 377, 390, 435, 442, 493, 510, 530, 580, 636, 663, 689, 754, 780, 795, 870, 884, 901, 986, 1020, 1060, 1105, 1131, 1326, 1378, 1479, 1508, 1537, 1590, 1740, 1802, 1885, 1972, 2067, 2210, 2262, 2465, 2652, 2703, 2756, 2958, 3074, 3180, 3315, 3445, 3604, 3770, 4134, 4420, 4505, 4524, 4611, 4930, 5406, 5655, 5916, 6148, 6409, 6630, 6890, 7395, 7540, 7685, 8268, 9010, 9222, 9860, 10335, 10812, 11310, 11713, 12818, 13260, 13515, 13780, 14790, 15370, 18020, 18444, 19227, 19981, 20670, 22620, 23055, 23426, 25636, 26129, 27030, 29580, 30740, 32045, 35139, 38454, 39962, 41340, 46110, 46852, 52258, 54060, 58565, 59943, 64090, 70278, 76908, 78387, 79924, 92220, 96135, 99905, 104516, 117130, 119886, 128180, 130645, 140556, 156774, 175695, 192270, 199810, 234260, 239772, 261290, 299715, 313548, 339677, 351390, 384540, 391935, 399620, 522580, 599430, 679354, 702780, 783870, 1019031, 1198860, 1358708, 1567740, 1698385, 2038062, 3396770, 4076124, 5095155, 6793540, 10190310, 20380620]

約数ペア:

[(1, 20380620), (2, 10190310), (3, 6793540), (4, 5095155), (5, 4076124), (6, 3396770), (10, 2038062), (12, 1698385), (13, 1567740), (15, 1358708), (17, 1198860), (20, 1019031), (26, 783870), (29, 702780), (30, 679354), (34, 599430), (39, 522580), (51, 399620), (52, 391935), (53, 384540), (58, 351390), (60, 339677), (65, 313548), (68, 299715), (78, 261290), (85, 239772), (87, 234260), (102, 199810), (106, 192270), (116, 175695), (130, 156774), (145, 140556), (156, 130645), (159, 128180), (170, 119886), (174, 117130), (195, 104516), (204, 99905), (212, 96135), (221, 92220), (255, 79924), (260, 78387), (265, 76908), (290, 70278), (318, 64090), (340, 59943), (348, 58565), (377, 54060), (390, 52258), (435, 46852), (442, 46110), (493, 41340), (510, 39962), (530, 38454), (580, 35139), (636, 32045), (663, 30740), (689, 29580), (754, 27030), (780, 26129), (795, 25636), (870, 23426), (884, 23055), (901, 22620), (986, 20670), (1020, 19981), (1060, 19227), (1105, 18444), (1131, 18020), (1326, 15370), (1378, 14790), (1479, 13780), (1508, 13515), (1537, 13260), (1590, 12818), (1740, 11713), (1802, 11310), (1885, 10812), (1972, 10335), (2067, 9860), (2210, 9222), (2262, 9010), (2465, 8268), (2652, 7685), (2703, 7540), (2756, 7395), (2958, 6890), (3074, 6630), (3180, 6409), (3315, 6148), (3445, 5916), (3604, 5655), (3770, 5406), (4134, 4930), (4420, 4611), (4505, 4524)]