20184840020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1\times {\mathrm{1039}}^1$

素因数の和:1497

約数の個数: 96

約数和(自身を含む): 44721331200

約数和(自身を除く): 24536491180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 269, 314, 460, 538, 628, 785, 1039, 1076, 1345, 1570, 2078, 2690, 3140, 3611, 4156, 5195, 5380, 6187, 7222, 10390, 12374, 14444, 18055, 20780, 23897, 24748, 30935, 36110, 42233, 47794, 61870, 72220, 84466, 95588, 119485, 123740, 163123, 168932, 211165, 238970, 279491, 326246, 422330, 477940, 558982, 652492, 815615, 844660, 971359, 1117964, 1397455, 1631230, 1942718, 2794910, 3262460, 3751829, 3885436, 4856795, 5589820, 6428293, 7503658, 9713590, 12856586, 15007316, 18759145, 19427180, 25713172, 32141465, 37518290, 43880087, 64282930, 75036580, 87760174, 128565860, 175520348, 219400435, 438800870, 877601740, 1009242001, 2018484002, 4036968004, 5046210005, 10092420010, 20184840020]

約数ペア:

[(1, 20184840020), (2, 10092420010), (4, 5046210005), (5, 4036968004), (10, 2018484002), (20, 1009242001), (23, 877601740), (46, 438800870), (92, 219400435), (115, 175520348), (157, 128565860), (230, 87760174), (269, 75036580), (314, 64282930), (460, 43880087), (538, 37518290), (628, 32141465), (785, 25713172), (1039, 19427180), (1076, 18759145), (1345, 15007316), (1570, 12856586), (2078, 9713590), (2690, 7503658), (3140, 6428293), (3611, 5589820), (4156, 4856795), (5195, 3885436), (5380, 3751829), (6187, 3262460), (7222, 2794910), (10390, 1942718), (12374, 1631230), (14444, 1397455), (18055, 1117964), (20780, 971359), (23897, 844660), (24748, 815615), (30935, 652492), (36110, 558982), (42233, 477940), (47794, 422330), (61870, 326246), (72220, 279491), (84466, 238970), (95588, 211165), (119485, 168932), (123740, 163123)]