20304240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7691}}^1$

素因数の和:7718

約数の個数: 80

約数和(自身を含む): 68674176

約数和(自身を除く): 48369936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7691, 15382, 23073, 30764, 38455, 46146, 61528, 76910, 84601, 92292, 115365, 123056, 153820, 169202, 184584, 230730, 253803, 307640, 338404, 369168, 423005, 461460, 507606, 615280, 676808, 846010, 922920, 1015212, 1269015, 1353616, 1692020, 1845840, 2030424, 2538030, 3384040, 4060848, 5076060, 6768080, 10152120, 20304240]

約数ペア:

[(1, 20304240), (2, 10152120), (3, 6768080), (4, 5076060), (5, 4060848), (6, 3384040), (8, 2538030), (10, 2030424), (11, 1845840), (12, 1692020), (15, 1353616), (16, 1269015), (20, 1015212), (22, 922920), (24, 846010), (30, 676808), (33, 615280), (40, 507606), (44, 461460), (48, 423005), (55, 369168), (60, 338404), (66, 307640), (80, 253803), (88, 230730), (110, 184584), (120, 169202), (132, 153820), (165, 123056), (176, 115365), (220, 92292), (240, 84601), (264, 76910), (330, 61528), (440, 46146), (528, 38455), (660, 30764), (880, 23073), (1320, 15382), (2640, 7691)]