20197513980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{341059}}^1$

素因数の和:341128

約数の個数: 144

約数和(自身を含む): 71508003840

約数和(自身を除く): 51310489860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2820, 2961, 3290, 3948, 4230, 4935, 5922, 6580, 8460, 9870, 11844, 14805, 19740, 29610, 59220, 341059, 682118, 1023177, 1364236, 1705295, 2046354, 2387413, 3069531, 3410590, 4092708, 4774826, 5115885, 6139062, 6821180, 7162239, 9549652, 10231770, 11937065, 12278124, 14324478, 15347655, 16029773, 20463540, 21486717, 23874130, 28648956, 30695310, 32059546, 35811195, 42973434, 47748260, 48089319, 61390620, 64119092, 71622390, 80148865, 85946868, 96178638, 107433585, 112208411, 143244780, 144267957, 160297730, 192357276, 214867170, 224416822, 240446595, 288535914, 320595460, 336625233, 429734340, 448833644, 480893190, 561042055, 577071828, 673250466, 721339785, 961786380, 1009875699, 1122084110, 1346500932, 1442679570, 1683126165, 2019751398, 2244168220, 2885359140, 3366252330, 4039502796, 5049378495, 6732504660, 10098756990, 20197513980]

約数ペア:

[(1, 20197513980), (2, 10098756990), (3, 6732504660), (4, 5049378495), (5, 4039502796), (6, 3366252330), (7, 2885359140), (9, 2244168220), (10, 2019751398), (12, 1683126165), (14, 1442679570), (15, 1346500932), (18, 1122084110), (20, 1009875699), (21, 961786380), (28, 721339785), (30, 673250466), (35, 577071828), (36, 561042055), (42, 480893190), (45, 448833644), (47, 429734340), (60, 336625233), (63, 320595460), (70, 288535914), (84, 240446595), (90, 224416822), (94, 214867170), (105, 192357276), (126, 160297730), (140, 144267957), (141, 143244780), (180, 112208411), (188, 107433585), (210, 96178638), (235, 85946868), (252, 80148865), (282, 71622390), (315, 64119092), (329, 61390620), (420, 48089319), (423, 47748260), (470, 42973434), (564, 35811195), (630, 32059546), (658, 30695310), (705, 28648956), (846, 23874130), (940, 21486717), (987, 20463540), (1260, 16029773), (1316, 15347655), (1410, 14324478), (1645, 12278124), (1692, 11937065), (1974, 10231770), (2115, 9549652), (2820, 7162239), (2961, 6821180), (3290, 6139062), (3948, 5115885), (4230, 4774826), (4935, 4092708), (5922, 3410590), (6580, 3069531), (8460, 2387413), (9870, 2046354), (11844, 1705295), (14805, 1364236), (19740, 1023177), (29610, 682118), (59220, 341059)]