20420509968

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1524829}}^1$

素因数の和:1524877

約数の個数: 80

約数和(自身を含む): 60505254400

約数和(自身を除く): 40084744432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1674, 2232, 3348, 4464, 6696, 13392, 1524829, 3049658, 4574487, 6099316, 9148974, 12198632, 13723461, 18297948, 24397264, 27446922, 36595896, 41170383, 47269699, 54893844, 73191792, 82340766, 94539398, 109787688, 141809097, 164681532, 189078796, 219575376, 283618194, 329363064, 378157592, 425427291, 567236388, 658726128, 756315184, 850854582, 1134472776, 1276281873, 1701709164, 2268945552, 2552563746, 3403418328, 5105127492, 6806836656, 10210254984, 20420509968]

約数ペア:

[(1, 20420509968), (2, 10210254984), (3, 6806836656), (4, 5105127492), (6, 3403418328), (8, 2552563746), (9, 2268945552), (12, 1701709164), (16, 1276281873), (18, 1134472776), (24, 850854582), (27, 756315184), (31, 658726128), (36, 567236388), (48, 425427291), (54, 378157592), (62, 329363064), (72, 283618194), (93, 219575376), (108, 189078796), (124, 164681532), (144, 141809097), (186, 109787688), (216, 94539398), (248, 82340766), (279, 73191792), (372, 54893844), (432, 47269699), (496, 41170383), (558, 36595896), (744, 27446922), (837, 24397264), (1116, 18297948), (1488, 13723461), (1674, 12198632), (2232, 9148974), (3348, 6099316), (4464, 4574487), (6696, 3049658), (13392, 1524829)]