20053530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 60278400

約数和(自身を除く): 40224870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 139, 210, 229, 278, 315, 417, 458, 630, 687, 695, 834, 973, 1145, 1251, 1374, 1390, 1603, 1946, 2061, 2085, 2290, 2502, 2919, 3206, 3435, 4122, 4170, 4809, 4865, 5838, 6255, 6870, 8015, 8757, 9618, 9730, 10305, 12510, 14427, 14595, 16030, 17514, 20610, 24045, 28854, 29190, 31831, 43785, 48090, 63662, 72135, 87570, 95493, 144270, 159155, 190986, 222817, 286479, 318310, 445634, 477465, 572958, 668451, 954930, 1114085, 1336902, 1432395, 2005353, 2228170, 2864790, 3342255, 4010706, 6684510, 10026765, 20053530]

約数ペア:

[(1, 20053530), (2, 10026765), (3, 6684510), (5, 4010706), (6, 3342255), (7, 2864790), (9, 2228170), (10, 2005353), (14, 1432395), (15, 1336902), (18, 1114085), (21, 954930), (30, 668451), (35, 572958), (42, 477465), (45, 445634), (63, 318310), (70, 286479), (90, 222817), (105, 190986), (126, 159155), (139, 144270), (210, 95493), (229, 87570), (278, 72135), (315, 63662), (417, 48090), (458, 43785), (630, 31831), (687, 29190), (695, 28854), (834, 24045), (973, 20610), (1145, 17514), (1251, 16030), (1374, 14595), (1390, 14427), (1603, 12510), (1946, 10305), (2061, 9730), (2085, 9618), (2290, 8757), (2502, 8015), (2919, 6870), (3206, 6255), (3435, 5838), (4122, 4865), (4170, 4809)]