20123768520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18633119}}^1$

素因数の和:18633139

約数の個数: 64

約数和(自身を含む): 67079232000

約数和(自身を除く): 46955463480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18633119, 37266238, 55899357, 74532476, 93165595, 111798714, 149064952, 167698071, 186331190, 223597428, 279496785, 335396142, 372662380, 447194856, 503094213, 558993570, 670792284, 745324760, 838490355, 1006188426, 1117987140, 1341584568, 1676980710, 2012376852, 2235974280, 2515471065, 3353961420, 4024753704, 5030942130, 6707922840, 10061884260, 20123768520]

約数ペア:

[(1, 20123768520), (2, 10061884260), (3, 6707922840), (4, 5030942130), (5, 4024753704), (6, 3353961420), (8, 2515471065), (9, 2235974280), (10, 2012376852), (12, 1676980710), (15, 1341584568), (18, 1117987140), (20, 1006188426), (24, 838490355), (27, 745324760), (30, 670792284), (36, 558993570), (40, 503094213), (45, 447194856), (54, 372662380), (60, 335396142), (72, 279496785), (90, 223597428), (108, 186331190), (120, 167698071), (135, 149064952), (180, 111798714), (216, 93165595), (270, 74532476), (360, 55899357), (540, 37266238), (1080, 18633119)]