20830836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1993}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 53152064

約数和(自身を除く): 32321228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1742, 1993, 2613, 3484, 3986, 5226, 5979, 7972, 10452, 11958, 23916, 25909, 51818, 77727, 103636, 133531, 155454, 267062, 310908, 400593, 534124, 801186, 1602372, 1735903, 3471806, 5207709, 6943612, 10415418, 20830836]

約数ペア:

[(1, 20830836), (2, 10415418), (3, 6943612), (4, 5207709), (6, 3471806), (12, 1735903), (13, 1602372), (26, 801186), (39, 534124), (52, 400593), (67, 310908), (78, 267062), (134, 155454), (156, 133531), (201, 103636), (268, 77727), (402, 51818), (804, 25909), (871, 23916), (1742, 11958), (1993, 10452), (2613, 7972), (3484, 5979), (3986, 5226)]