20136436720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{14083}}^1$

素因数の和:14450

約数の個数: 80

約数和(自身を含む): 47750506272

約数和(自身を除く): 27614069552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 293, 305, 488, 586, 610, 976, 1172, 1220, 1465, 2344, 2440, 2930, 4688, 4880, 5860, 11720, 14083, 17873, 23440, 28166, 35746, 56332, 70415, 71492, 89365, 112664, 140830, 142984, 178730, 225328, 281660, 285968, 357460, 563320, 714920, 859063, 1126640, 1429840, 1718126, 3436252, 4126319, 4295315, 6872504, 8252638, 8590630, 13745008, 16505276, 17181260, 20631595, 33010552, 34362520, 41263190, 66021104, 68725040, 82526380, 165052760, 251705459, 330105520, 503410918, 1006821836, 1258527295, 2013643672, 2517054590, 4027287344, 5034109180, 10068218360, 20136436720]

約数ペア:

[(1, 20136436720), (2, 10068218360), (4, 5034109180), (5, 4027287344), (8, 2517054590), (10, 2013643672), (16, 1258527295), (20, 1006821836), (40, 503410918), (61, 330105520), (80, 251705459), (122, 165052760), (244, 82526380), (293, 68725040), (305, 66021104), (488, 41263190), (586, 34362520), (610, 33010552), (976, 20631595), (1172, 17181260), (1220, 16505276), (1465, 13745008), (2344, 8590630), (2440, 8252638), (2930, 6872504), (4688, 4295315), (4880, 4126319), (5860, 3436252), (11720, 1718126), (14083, 1429840), (17873, 1126640), (23440, 859063), (28166, 714920), (35746, 563320), (56332, 357460), (70415, 285968), (71492, 281660), (89365, 225328), (112664, 178730), (140830, 142984)]