20646150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{53}}^2$

素因数の和:135

約数の個数: 108

約数和(自身を含む): 60707052

約数和(自身を除く): 40060902

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 53, 70, 75, 98, 105, 106, 147, 150, 159, 175, 210, 245, 265, 294, 318, 350, 371, 490, 525, 530, 735, 742, 795, 1050, 1113, 1225, 1325, 1470, 1590, 1855, 2226, 2450, 2597, 2650, 2809, 3675, 3710, 3975, 5194, 5565, 5618, 7350, 7791, 7950, 8427, 9275, 11130, 12985, 14045, 15582, 16854, 18550, 19663, 25970, 27825, 28090, 38955, 39326, 42135, 55650, 58989, 64925, 70225, 77910, 84270, 98315, 117978, 129850, 137641, 140450, 194775, 196630, 210675, 275282, 294945, 389550, 412923, 421350, 491575, 589890, 688205, 825846, 983150, 1376410, 1474725, 2064615, 2949450, 3441025, 4129230, 6882050, 10323075, 20646150]

約数ペア:

[(1, 20646150), (2, 10323075), (3, 6882050), (5, 4129230), (6, 3441025), (7, 2949450), (10, 2064615), (14, 1474725), (15, 1376410), (21, 983150), (25, 825846), (30, 688205), (35, 589890), (42, 491575), (49, 421350), (50, 412923), (53, 389550), (70, 294945), (75, 275282), (98, 210675), (105, 196630), (106, 194775), (147, 140450), (150, 137641), (159, 129850), (175, 117978), (210, 98315), (245, 84270), (265, 77910), (294, 70225), (318, 64925), (350, 58989), (371, 55650), (490, 42135), (525, 39326), (530, 38955), (735, 28090), (742, 27825), (795, 25970), (1050, 19663), (1113, 18550), (1225, 16854), (1325, 15582), (1470, 14045), (1590, 12985), (1855, 11130), (2226, 9275), (2450, 8427), (2597, 7950), (2650, 7791), (2809, 7350), (3675, 5618), (3710, 5565), (3975, 5194)]