20373390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 55264320

約数和(自身を除く): 34890930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1237, 1647, 1830, 2474, 2745, 3294, 3711, 5490, 6185, 7422, 8235, 11133, 12370, 16470, 18555, 22266, 33399, 37110, 55665, 66798, 75457, 111330, 150914, 166995, 226371, 333990, 377285, 452742, 679113, 754570, 1131855, 1358226, 2037339, 2263710, 3395565, 4074678, 6791130, 10186695, 20373390]

約数ペア:

[(1, 20373390), (2, 10186695), (3, 6791130), (5, 4074678), (6, 3395565), (9, 2263710), (10, 2037339), (15, 1358226), (18, 1131855), (27, 754570), (30, 679113), (45, 452742), (54, 377285), (61, 333990), (90, 226371), (122, 166995), (135, 150914), (183, 111330), (270, 75457), (305, 66798), (366, 55665), (549, 37110), (610, 33399), (915, 22266), (1098, 18555), (1237, 16470), (1647, 12370), (1830, 11133), (2474, 8235), (2745, 7422), (3294, 6185), (3711, 5490)]