20185304828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{133349}}^1$

素因数の和:133478

約数の個数: 48

約数和(自身を含む): 39518539200

約数和(自身を除く): 19333234372

約数列:

[1, 2, 4, 13, 26, 41, 52, 71, 82, 142, 164, 284, 533, 923, 1066, 1846, 2132, 2911, 3692, 5822, 11644, 37843, 75686, 133349, 151372, 266698, 533396, 1733537, 3467074, 5467309, 6934148, 9467779, 10934618, 18935558, 21869236, 37871116, 71075017, 123081127, 142150034, 246162254, 284300068, 388178939, 492324508, 776357878, 1552715756, 5046326207, 10092652414, 20185304828]

約数ペア:

[(1, 20185304828), (2, 10092652414), (4, 5046326207), (13, 1552715756), (26, 776357878), (41, 492324508), (52, 388178939), (71, 284300068), (82, 246162254), (142, 142150034), (164, 123081127), (284, 71075017), (533, 37871116), (923, 21869236), (1066, 18935558), (1846, 10934618), (2132, 9467779), (2911, 6934148), (3692, 5467309), (5822, 3467074), (11644, 1733537), (37843, 533396), (75686, 266698), (133349, 151372)]