20145606075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{241337}}^1$

素因数の和:241413

約数の個数: 72

約数和(自身を含む): 42015980448

約数和(自身を除く): 21870374373

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 53, 63, 75, 105, 159, 175, 225, 265, 315, 371, 477, 525, 795, 1113, 1325, 1575, 1855, 2385, 3339, 3975, 5565, 9275, 11925, 16695, 27825, 83475, 241337, 724011, 1206685, 1689359, 2172033, 3620055, 5068077, 6033425, 8446795, 10860165, 12790861, 15204231, 18100275, 25340385, 38372583, 42233975, 54300825, 63954305, 76021155, 89536027, 115117749, 126701925, 191862915, 268608081, 319771525, 380105775, 447680135, 575588745, 805824243, 959314575, 1343040405, 2238400675, 2877943725, 4029121215, 6715202025, 20145606075]

約数ペア:

[(1, 20145606075), (3, 6715202025), (5, 4029121215), (7, 2877943725), (9, 2238400675), (15, 1343040405), (21, 959314575), (25, 805824243), (35, 575588745), (45, 447680135), (53, 380105775), (63, 319771525), (75, 268608081), (105, 191862915), (159, 126701925), (175, 115117749), (225, 89536027), (265, 76021155), (315, 63954305), (371, 54300825), (477, 42233975), (525, 38372583), (795, 25340385), (1113, 18100275), (1325, 15204231), (1575, 12790861), (1855, 10860165), (2385, 8446795), (3339, 6033425), (3975, 5068077), (5565, 3620055), (9275, 2172033), (11925, 1689359), (16695, 1206685), (27825, 724011), (83475, 241337)]