20864520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19319}}^1$

素因数の和:19339

約数の個数: 64

約数和(自身を含む): 69552000

約数和(自身を除く): 48687480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19319, 38638, 57957, 77276, 96595, 115914, 154552, 173871, 193190, 231828, 289785, 347742, 386380, 463656, 521613, 579570, 695484, 772760, 869355, 1043226, 1159140, 1390968, 1738710, 2086452, 2318280, 2608065, 3477420, 4172904, 5216130, 6954840, 10432260, 20864520]

約数ペア:

[(1, 20864520), (2, 10432260), (3, 6954840), (4, 5216130), (5, 4172904), (6, 3477420), (8, 2608065), (9, 2318280), (10, 2086452), (12, 1738710), (15, 1390968), (18, 1159140), (20, 1043226), (24, 869355), (27, 772760), (30, 695484), (36, 579570), (40, 521613), (45, 463656), (54, 386380), (60, 347742), (72, 289785), (90, 231828), (108, 193190), (120, 173871), (135, 154552), (180, 115914), (216, 96595), (270, 77276), (360, 57957), (540, 38638), (1080, 19319)]