20651700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 64745856

約数和(自身を除く): 44094156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 41, 46, 50, 60, 69, 73, 75, 82, 92, 100, 115, 123, 138, 146, 150, 164, 205, 219, 230, 246, 276, 292, 300, 345, 365, 410, 438, 460, 492, 575, 615, 690, 730, 820, 876, 943, 1025, 1095, 1150, 1230, 1380, 1460, 1679, 1725, 1825, 1886, 2050, 2190, 2300, 2460, 2829, 2993, 3075, 3358, 3450, 3650, 3772, 4100, 4380, 4715, 5037, 5475, 5658, 5986, 6150, 6716, 6900, 7300, 8395, 8979, 9430, 10074, 10950, 11316, 11972, 12300, 14145, 14965, 16790, 17958, 18860, 20148, 21900, 23575, 25185, 28290, 29930, 33580, 35916, 41975, 44895, 47150, 50370, 56580, 59860, 68839, 70725, 74825, 83950, 89790, 94300, 100740, 125925, 137678, 141450, 149650, 167900, 179580, 206517, 224475, 251850, 275356, 282900, 299300, 344195, 413034, 448950, 503700, 688390, 826068, 897900, 1032585, 1376780, 1720975, 2065170, 3441950, 4130340, 5162925, 6883900, 10325850, 20651700]

約数ペア:

[(1, 20651700), (2, 10325850), (3, 6883900), (4, 5162925), (5, 4130340), (6, 3441950), (10, 2065170), (12, 1720975), (15, 1376780), (20, 1032585), (23, 897900), (25, 826068), (30, 688390), (41, 503700), (46, 448950), (50, 413034), (60, 344195), (69, 299300), (73, 282900), (75, 275356), (82, 251850), (92, 224475), (100, 206517), (115, 179580), (123, 167900), (138, 149650), (146, 141450), (150, 137678), (164, 125925), (205, 100740), (219, 94300), (230, 89790), (246, 83950), (276, 74825), (292, 70725), (300, 68839), (345, 59860), (365, 56580), (410, 50370), (438, 47150), (460, 44895), (492, 41975), (575, 35916), (615, 33580), (690, 29930), (730, 28290), (820, 25185), (876, 23575), (943, 21900), (1025, 20148), (1095, 18860), (1150, 17958), (1230, 16790), (1380, 14965), (1460, 14145), (1679, 12300), (1725, 11972), (1825, 11316), (1886, 10950), (2050, 10074), (2190, 9430), (2300, 8979), (2460, 8395), (2829, 7300), (2993, 6900), (3075, 6716), (3358, 6150), (3450, 5986), (3650, 5658), (3772, 5475), (4100, 5037), (4380, 4715)]