20724200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 55978560

約数和(自身を除く): 35254360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 113, 131, 140, 175, 200, 226, 262, 280, 350, 452, 524, 565, 655, 700, 791, 904, 917, 1048, 1130, 1310, 1400, 1582, 1834, 2260, 2620, 2825, 3164, 3275, 3668, 3955, 4520, 4585, 5240, 5650, 6328, 6550, 7336, 7910, 9170, 11300, 13100, 14803, 15820, 18340, 19775, 22600, 22925, 26200, 29606, 31640, 36680, 39550, 45850, 59212, 74015, 79100, 91700, 103621, 118424, 148030, 158200, 183400, 207242, 296060, 370075, 414484, 518105, 592120, 740150, 828968, 1036210, 1480300, 2072420, 2590525, 2960600, 4144840, 5181050, 10362100, 20724200]

約数ペア:

[(1, 20724200), (2, 10362100), (4, 5181050), (5, 4144840), (7, 2960600), (8, 2590525), (10, 2072420), (14, 1480300), (20, 1036210), (25, 828968), (28, 740150), (35, 592120), (40, 518105), (50, 414484), (56, 370075), (70, 296060), (100, 207242), (113, 183400), (131, 158200), (140, 148030), (175, 118424), (200, 103621), (226, 91700), (262, 79100), (280, 74015), (350, 59212), (452, 45850), (524, 39550), (565, 36680), (655, 31640), (700, 29606), (791, 26200), (904, 22925), (917, 22600), (1048, 19775), (1130, 18340), (1310, 15820), (1400, 14803), (1582, 13100), (1834, 11300), (2260, 9170), (2620, 7910), (2825, 7336), (3164, 6550), (3275, 6328), (3668, 5650), (3955, 5240), (4520, 4585)]