20157501924

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1\times {\mathrm{883}}^1$

素因数の和:1634

約数の個数: 144

約数和(自身を含む): 58771742848

約数和(自身を除く): 38614240924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 577, 628, 883, 942, 1099, 1154, 1413, 1731, 1766, 1884, 2198, 2308, 2649, 2826, 3297, 3462, 3532, 4039, 4396, 5193, 5298, 5652, 6181, 6594, 6924, 7947, 8078, 9891, 10386, 10596, 12117, 12362, 13188, 15894, 16156, 18543, 19782, 20772, 24234, 24724, 31788, 36351, 37086, 39564, 48468, 55629, 72702, 74172, 90589, 111258, 138631, 145404, 181178, 222516, 271767, 277262, 362356, 415893, 509491, 543534, 554524, 634123, 815301, 831786, 970417, 1018982, 1087068, 1247679, 1268246, 1528473, 1630602, 1663572, 1902369, 1940834, 2037964, 2495358, 2536492, 2911251, 3056946, 3261204, 3566437, 3804738, 3881668, 4585419, 4990716, 5707107, 5822502, 6113892, 7132874, 7609476, 8733753, 9170838, 10699311, 11414214, 11645004, 14265748, 17467506, 18341676, 21398622, 22828428, 32097933, 34935012, 42797244, 64195866, 79990087, 128391732, 159980174, 239970261, 319960348, 479940522, 559930609, 719910783, 959881044, 1119861218, 1439821566, 1679791827, 2239722436, 2879643132, 3359583654, 5039375481, 6719167308, 10078750962, 20157501924]

約数ペア:

[(1, 20157501924), (2, 10078750962), (3, 6719167308), (4, 5039375481), (6, 3359583654), (7, 2879643132), (9, 2239722436), (12, 1679791827), (14, 1439821566), (18, 1119861218), (21, 959881044), (28, 719910783), (36, 559930609), (42, 479940522), (63, 319960348), (84, 239970261), (126, 159980174), (157, 128391732), (252, 79990087), (314, 64195866), (471, 42797244), (577, 34935012), (628, 32097933), (883, 22828428), (942, 21398622), (1099, 18341676), (1154, 17467506), (1413, 14265748), (1731, 11645004), (1766, 11414214), (1884, 10699311), (2198, 9170838), (2308, 8733753), (2649, 7609476), (2826, 7132874), (3297, 6113892), (3462, 5822502), (3532, 5707107), (4039, 4990716), (4396, 4585419), (5193, 3881668), (5298, 3804738), (5652, 3566437), (6181, 3261204), (6594, 3056946), (6924, 2911251), (7947, 2536492), (8078, 2495358), (9891, 2037964), (10386, 1940834), (10596, 1902369), (12117, 1663572), (12362, 1630602), (13188, 1528473), (15894, 1268246), (16156, 1247679), (18543, 1087068), (19782, 1018982), (20772, 970417), (24234, 831786), (24724, 815301), (31788, 634123), (36351, 554524), (37086, 543534), (39564, 509491), (48468, 415893), (55629, 362356), (72702, 277262), (74172, 271767), (90589, 222516), (111258, 181178), (138631, 145404)]