20525613075

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{436483}}^1$

素因数の和:436529

約数の個数: 72

約数和(自身を含む): 42216732480

約数和(自身を除く): 21691119405

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 209, 225, 275, 285, 475, 495, 627, 825, 855, 1045, 1425, 1881, 2475, 3135, 4275, 5225, 9405, 15675, 47025, 436483, 1309449, 2182415, 3928347, 4801313, 6547245, 8293177, 10912075, 14403939, 19641735, 24006565, 24879531, 32736225, 41465885, 43211817, 72019695, 74638593, 91224947, 98208675, 120032825, 124397655, 207329425, 216059085, 273674841, 360098475, 373192965, 456124735, 621988275, 821024523, 1080295425, 1368374205, 1865964825, 2280623675, 4105122615, 6841871025, 20525613075]

約数ペア:

[(1, 20525613075), (3, 6841871025), (5, 4105122615), (9, 2280623675), (11, 1865964825), (15, 1368374205), (19, 1080295425), (25, 821024523), (33, 621988275), (45, 456124735), (55, 373192965), (57, 360098475), (75, 273674841), (95, 216059085), (99, 207329425), (165, 124397655), (171, 120032825), (209, 98208675), (225, 91224947), (275, 74638593), (285, 72019695), (475, 43211817), (495, 41465885), (627, 32736225), (825, 24879531), (855, 24006565), (1045, 19641735), (1425, 14403939), (1881, 10912075), (2475, 8293177), (3135, 6547245), (4275, 4801313), (5225, 3928347), (9405, 2182415), (15675, 1309449), (47025, 436483)]