20404764252

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{727}}^1\times {\mathrm{12781}}^1$

素因数の和:13579

約数の個数: 72

約数和(自身を含む): 52500480032

約数和(自身を除く): 32095715780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 727, 732, 1098, 1454, 2181, 2196, 2908, 4362, 6543, 8724, 12781, 13086, 25562, 26172, 38343, 44347, 51124, 76686, 88694, 115029, 133041, 153372, 177388, 230058, 266082, 399123, 460116, 532164, 779641, 798246, 1559282, 1596492, 2338923, 3118564, 4677846, 7016769, 9291787, 9355692, 14033538, 18583574, 27875361, 28067076, 37167148, 55750722, 83626083, 111501444, 167252166, 334504332, 566799007, 1133598014, 1700397021, 2267196028, 3400794042, 5101191063, 6801588084, 10202382126, 20404764252]

約数ペア:

[(1, 20404764252), (2, 10202382126), (3, 6801588084), (4, 5101191063), (6, 3400794042), (9, 2267196028), (12, 1700397021), (18, 1133598014), (36, 566799007), (61, 334504332), (122, 167252166), (183, 111501444), (244, 83626083), (366, 55750722), (549, 37167148), (727, 28067076), (732, 27875361), (1098, 18583574), (1454, 14033538), (2181, 9355692), (2196, 9291787), (2908, 7016769), (4362, 4677846), (6543, 3118564), (8724, 2338923), (12781, 1596492), (13086, 1559282), (25562, 798246), (26172, 779641), (38343, 532164), (44347, 460116), (51124, 399123), (76686, 266082), (88694, 230058), (115029, 177388), (133041, 153372)]