20388707910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{8161}}^1$

素因数の和:8683

約数の個数: 128

約数和(自身を含む): 57356006400

約数和(自身を除く): 36967298490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 487, 513, 570, 855, 974, 1026, 1461, 1710, 2435, 2565, 2922, 4383, 4870, 5130, 7305, 8161, 8766, 9253, 13149, 14610, 16322, 18506, 21915, 24483, 26298, 27759, 40805, 43830, 46265, 48966, 55518, 65745, 73449, 81610, 83277, 92530, 122415, 131490, 138795, 146898, 155059, 166554, 220347, 244830, 249831, 277590, 310118, 367245, 416385, 440694, 465177, 499662, 734490, 775295, 832770, 930354, 1101735, 1249155, 1395531, 1550590, 2203470, 2325885, 2498310, 2791062, 3974407, 4186593, 4651770, 6977655, 7948814, 8373186, 11923221, 13955310, 19872035, 20932965, 23846442, 35769663, 39744070, 41865930, 59616105, 71539326, 75513733, 107308989, 119232210, 151027466, 178848315, 214617978, 226541199, 357696630, 377568665, 453082398, 536544945, 679623597, 755137330, 1073089890, 1132705995, 1359247194, 2038870791, 2265411990, 3398117985, 4077741582, 6796235970, 10194353955, 20388707910]

約数ペア:

[(1, 20388707910), (2, 10194353955), (3, 6796235970), (5, 4077741582), (6, 3398117985), (9, 2265411990), (10, 2038870791), (15, 1359247194), (18, 1132705995), (19, 1073089890), (27, 755137330), (30, 679623597), (38, 536544945), (45, 453082398), (54, 377568665), (57, 357696630), (90, 226541199), (95, 214617978), (114, 178848315), (135, 151027466), (171, 119232210), (190, 107308989), (270, 75513733), (285, 71539326), (342, 59616105), (487, 41865930), (513, 39744070), (570, 35769663), (855, 23846442), (974, 20932965), (1026, 19872035), (1461, 13955310), (1710, 11923221), (2435, 8373186), (2565, 7948814), (2922, 6977655), (4383, 4651770), (4870, 4186593), (5130, 3974407), (7305, 2791062), (8161, 2498310), (8766, 2325885), (9253, 2203470), (13149, 1550590), (14610, 1395531), (16322, 1249155), (18506, 1101735), (21915, 930354), (24483, 832770), (26298, 775295), (27759, 734490), (40805, 499662), (43830, 465177), (46265, 440694), (48966, 416385), (55518, 367245), (65745, 310118), (73449, 277590), (81610, 249831), (83277, 244830), (92530, 220347), (122415, 166554), (131490, 155059), (138795, 146898)]