20183402920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{547}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 47228832000

約数和(自身を除く): 27045429080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 149, 151, 164, 205, 298, 302, 328, 410, 547, 596, 604, 745, 755, 820, 1094, 1192, 1208, 1490, 1510, 1640, 2188, 2735, 2980, 3020, 4376, 5470, 5960, 6040, 6109, 6191, 10940, 12218, 12382, 21880, 22427, 22499, 24436, 24764, 30545, 30955, 44854, 44998, 48872, 49528, 61090, 61910, 81503, 82597, 89708, 89996, 112135, 112495, 122180, 123820, 163006, 165194, 179416, 179992, 224270, 224990, 244360, 247640, 326012, 330388, 407515, 412985, 448540, 449980, 652024, 660776, 815030, 825970, 897080, 899960, 922459, 1630060, 1651940, 1844918, 3260120, 3303880, 3341623, 3386477, 3689836, 4612295, 6683246, 6772954, 7379672, 9224590, 12306953, 13366492, 13545908, 16708115, 16932385, 18449180, 24613906, 26732984, 27091816, 33416230, 33864770, 36898360, 49227812, 61534765, 66832460, 67729540, 98455624, 123069530, 133664920, 135459080, 246139060, 492278120, 504585073, 1009170146, 2018340292, 2522925365, 4036680584, 5045850730, 10091701460, 20183402920]

約数ペア:

[(1, 20183402920), (2, 10091701460), (4, 5045850730), (5, 4036680584), (8, 2522925365), (10, 2018340292), (20, 1009170146), (40, 504585073), (41, 492278120), (82, 246139060), (149, 135459080), (151, 133664920), (164, 123069530), (205, 98455624), (298, 67729540), (302, 66832460), (328, 61534765), (410, 49227812), (547, 36898360), (596, 33864770), (604, 33416230), (745, 27091816), (755, 26732984), (820, 24613906), (1094, 18449180), (1192, 16932385), (1208, 16708115), (1490, 13545908), (1510, 13366492), (1640, 12306953), (2188, 9224590), (2735, 7379672), (2980, 6772954), (3020, 6683246), (4376, 4612295), (5470, 3689836), (5960, 3386477), (6040, 3341623), (6109, 3303880), (6191, 3260120), (10940, 1844918), (12218, 1651940), (12382, 1630060), (21880, 922459), (22427, 899960), (22499, 897080), (24436, 825970), (24764, 815030), (30545, 660776), (30955, 652024), (44854, 449980), (44998, 448540), (48872, 412985), (49528, 407515), (61090, 330388), (61910, 326012), (81503, 247640), (82597, 244360), (89708, 224990), (89996, 224270), (112135, 179992), (112495, 179416), (122180, 165194), (123820, 163006)]