20181763620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1\times {\mathrm{4519}}^1$

素因数の和:5154

約数の個数: 144

約数和(自身を含む): 62764141440

約数和(自身を除く): 42582377820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 577, 645, 774, 860, 1154, 1290, 1548, 1731, 1935, 2308, 2580, 2885, 3462, 3870, 4519, 5193, 5770, 6924, 7740, 8655, 9038, 10386, 11540, 13557, 17310, 18076, 20772, 22595, 24811, 25965, 27114, 34620, 40671, 45190, 49622, 51930, 54228, 67785, 74433, 81342, 90380, 99244, 103860, 124055, 135570, 148866, 162684, 194317, 203355, 223299, 248110, 271140, 297732, 372165, 388634, 406710, 446598, 496220, 582951, 744330, 777268, 813420, 893196, 971585, 1116495, 1165902, 1488660, 1748853, 1943170, 2232990, 2331804, 2607463, 2914755, 3497706, 3886340, 4465980, 5214926, 5829510, 6995412, 7822389, 8744265, 10429852, 11659020, 13037315, 15644778, 17488530, 23467167, 26074630, 31289556, 34977060, 39111945, 46934334, 52149260, 78223890, 93868668, 112120909, 117335835, 156447780, 224241818, 234671670, 336362727, 448483636, 469343340, 560604545, 672725454, 1009088181, 1121209090, 1345450908, 1681813635, 2018176362, 2242418180, 3363627270, 4036352724, 5045440905, 6727254540, 10090881810, 20181763620]

約数ペア:

[(1, 20181763620), (2, 10090881810), (3, 6727254540), (4, 5045440905), (5, 4036352724), (6, 3363627270), (9, 2242418180), (10, 2018176362), (12, 1681813635), (15, 1345450908), (18, 1121209090), (20, 1009088181), (30, 672725454), (36, 560604545), (43, 469343340), (45, 448483636), (60, 336362727), (86, 234671670), (90, 224241818), (129, 156447780), (172, 117335835), (180, 112120909), (215, 93868668), (258, 78223890), (387, 52149260), (430, 46934334), (516, 39111945), (577, 34977060), (645, 31289556), (774, 26074630), (860, 23467167), (1154, 17488530), (1290, 15644778), (1548, 13037315), (1731, 11659020), (1935, 10429852), (2308, 8744265), (2580, 7822389), (2885, 6995412), (3462, 5829510), (3870, 5214926), (4519, 4465980), (5193, 3886340), (5770, 3497706), (6924, 2914755), (7740, 2607463), (8655, 2331804), (9038, 2232990), (10386, 1943170), (11540, 1748853), (13557, 1488660), (17310, 1165902), (18076, 1116495), (20772, 971585), (22595, 893196), (24811, 813420), (25965, 777268), (27114, 744330), (34620, 582951), (40671, 496220), (45190, 446598), (49622, 406710), (51930, 388634), (54228, 372165), (67785, 297732), (74433, 271140), (81342, 248110), (90380, 223299), (99244, 203355), (103860, 194317), (124055, 162684), (135570, 148866)]