20563860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 60520320

約数和(自身を除く): 39956460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 59, 60, 74, 111, 118, 148, 157, 177, 185, 222, 236, 295, 314, 354, 370, 444, 471, 555, 590, 628, 708, 740, 785, 885, 942, 1110, 1180, 1570, 1770, 1884, 2183, 2220, 2355, 3140, 3540, 4366, 4710, 5809, 6549, 8732, 9263, 9420, 10915, 11618, 13098, 17427, 18526, 21830, 23236, 26196, 27789, 29045, 32745, 34854, 37052, 43660, 46315, 55578, 58090, 65490, 69708, 87135, 92630, 111156, 116180, 130980, 138945, 174270, 185260, 277890, 342731, 348540, 555780, 685462, 1028193, 1370924, 1713655, 2056386, 3427310, 4112772, 5140965, 6854620, 10281930, 20563860]

約数ペア:

[(1, 20563860), (2, 10281930), (3, 6854620), (4, 5140965), (5, 4112772), (6, 3427310), (10, 2056386), (12, 1713655), (15, 1370924), (20, 1028193), (30, 685462), (37, 555780), (59, 348540), (60, 342731), (74, 277890), (111, 185260), (118, 174270), (148, 138945), (157, 130980), (177, 116180), (185, 111156), (222, 92630), (236, 87135), (295, 69708), (314, 65490), (354, 58090), (370, 55578), (444, 46315), (471, 43660), (555, 37052), (590, 34854), (628, 32745), (708, 29045), (740, 27789), (785, 26196), (885, 23236), (942, 21830), (1110, 18526), (1180, 17427), (1570, 13098), (1770, 11618), (1884, 10915), (2183, 9420), (2220, 9263), (2355, 8732), (3140, 6549), (3540, 5809), (4366, 4710)]