20347790988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1\times {\mathrm{3911}}^1$

素因数の和:4423

約数の個数: 96

約数和(自身を含む): 54711917568

約数和(自身を除く): 34364126580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 241, 257, 482, 514, 723, 771, 964, 1028, 1446, 1542, 1687, 1799, 2892, 3084, 3374, 3598, 3911, 5061, 5397, 6748, 7196, 7822, 10122, 10794, 11733, 15644, 20244, 21588, 23466, 27377, 46932, 54754, 61937, 82131, 109508, 123874, 164262, 185811, 247748, 328524, 371622, 433559, 743244, 867118, 942551, 1005127, 1300677, 1734236, 1885102, 2010254, 2601354, 2827653, 3015381, 3770204, 4020508, 5202708, 5655306, 6030762, 6597857, 7035889, 11310612, 12061524, 13195714, 14071778, 19793571, 21107667, 26391428, 28143556, 39587142, 42215334, 79174284, 84430668, 242235607, 484471214, 726706821, 968942428, 1453413642, 1695649249, 2906827284, 3391298498, 5086947747, 6782596996, 10173895494, 20347790988]

約数ペア:

[(1, 20347790988), (2, 10173895494), (3, 6782596996), (4, 5086947747), (6, 3391298498), (7, 2906827284), (12, 1695649249), (14, 1453413642), (21, 968942428), (28, 726706821), (42, 484471214), (84, 242235607), (241, 84430668), (257, 79174284), (482, 42215334), (514, 39587142), (723, 28143556), (771, 26391428), (964, 21107667), (1028, 19793571), (1446, 14071778), (1542, 13195714), (1687, 12061524), (1799, 11310612), (2892, 7035889), (3084, 6597857), (3374, 6030762), (3598, 5655306), (3911, 5202708), (5061, 4020508), (5397, 3770204), (6748, 3015381), (7196, 2827653), (7822, 2601354), (10122, 2010254), (10794, 1885102), (11733, 1734236), (15644, 1300677), (20244, 1005127), (21588, 942551), (23466, 867118), (27377, 743244), (46932, 433559), (54754, 371622), (61937, 328524), (82131, 247748), (109508, 185811), (123874, 164262)]