20561034

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 47142144

約数和(自身を除く): 26581110

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 73, 78, 138, 146, 157, 219, 299, 314, 438, 471, 598, 897, 942, 949, 1679, 1794, 1898, 2041, 2847, 3358, 3611, 4082, 5037, 5694, 6123, 7222, 10074, 10833, 11461, 12246, 21666, 21827, 22922, 34383, 43654, 46943, 65481, 68766, 93886, 130962, 140829, 148993, 263603, 281658, 297986, 446979, 527206, 790809, 893958, 1581618, 3426839, 6853678, 10280517, 20561034]

約数ペア:

[(1, 20561034), (2, 10280517), (3, 6853678), (6, 3426839), (13, 1581618), (23, 893958), (26, 790809), (39, 527206), (46, 446979), (69, 297986), (73, 281658), (78, 263603), (138, 148993), (146, 140829), (157, 130962), (219, 93886), (299, 68766), (314, 65481), (438, 46943), (471, 43654), (598, 34383), (897, 22922), (942, 21827), (949, 21666), (1679, 12246), (1794, 11461), (1898, 10833), (2041, 10074), (2847, 7222), (3358, 6123), (3611, 5694), (4082, 5037)]