20957999856

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{342989}}^1$

素因数の和:343086

約数の個数: 80

約数和(自身を含む): 57841833600

約数和(自身を除く): 36883833744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 67, 76, 114, 134, 152, 201, 228, 268, 304, 402, 456, 536, 804, 912, 1072, 1273, 1608, 2546, 3216, 3819, 5092, 7638, 10184, 15276, 20368, 30552, 61104, 342989, 685978, 1028967, 1371956, 2057934, 2743912, 4115868, 5487824, 6516791, 8231736, 13033582, 16463472, 19550373, 22980263, 26067164, 39100746, 45960526, 52134328, 68940789, 78201492, 91921052, 104268656, 137881578, 156402984, 183842104, 275763156, 312805968, 367684208, 436624997, 551526312, 873249994, 1103052624, 1309874991, 1746499988, 2619749982, 3492999976, 5239499964, 6985999952, 10478999928, 20957999856]

約数ペア:

[(1, 20957999856), (2, 10478999928), (3, 6985999952), (4, 5239499964), (6, 3492999976), (8, 2619749982), (12, 1746499988), (16, 1309874991), (19, 1103052624), (24, 873249994), (38, 551526312), (48, 436624997), (57, 367684208), (67, 312805968), (76, 275763156), (114, 183842104), (134, 156402984), (152, 137881578), (201, 104268656), (228, 91921052), (268, 78201492), (304, 68940789), (402, 52134328), (456, 45960526), (536, 39100746), (804, 26067164), (912, 22980263), (1072, 19550373), (1273, 16463472), (1608, 13033582), (2546, 8231736), (3216, 6516791), (3819, 5487824), (5092, 4115868), (7638, 2743912), (10184, 2057934), (15276, 1371956), (20368, 1028967), (30552, 685978), (61104, 342989)]