20556007560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{471901}}^1$

素因数の和:471940

約数の個数: 144

約数和(自身を含む): 73432670220

約数和(自身を除く): 52876662660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1815, 1980, 2178, 2420, 2904, 3630, 3960, 4356, 4840, 5445, 7260, 8712, 10890, 14520, 21780, 43560, 471901, 943802, 1415703, 1887604, 2359505, 2831406, 3775208, 4247109, 4719010, 5190911, 5662812, 7078515, 8494218, 9438020, 10381822, 11325624, 14157030, 15572733, 16988436, 18876040, 20763644, 21235545, 25954555, 28314060, 31145466, 33976872, 41527288, 42471090, 46718199, 51909110, 56628120, 57100021, 62290932, 77863665, 84942180, 93436398, 103818220, 114200042, 124581864, 155727330, 169884360, 171300063, 186872796, 207636440, 228400084, 233590995, 285500105, 311454660, 342600126, 373745592, 456800168, 467181990, 513900189, 571000210, 622909320, 685200252, 856500315, 934363980, 1027800378, 1142000420, 1370400504, 1713000630, 1868727960, 2055600756, 2284000840, 2569500945, 3426001260, 4111201512, 5139001890, 6852002520, 10278003780, 20556007560]

約数ペア:

[(1, 20556007560), (2, 10278003780), (3, 6852002520), (4, 5139001890), (5, 4111201512), (6, 3426001260), (8, 2569500945), (9, 2284000840), (10, 2055600756), (11, 1868727960), (12, 1713000630), (15, 1370400504), (18, 1142000420), (20, 1027800378), (22, 934363980), (24, 856500315), (30, 685200252), (33, 622909320), (36, 571000210), (40, 513900189), (44, 467181990), (45, 456800168), (55, 373745592), (60, 342600126), (66, 311454660), (72, 285500105), (88, 233590995), (90, 228400084), (99, 207636440), (110, 186872796), (120, 171300063), (121, 169884360), (132, 155727330), (165, 124581864), (180, 114200042), (198, 103818220), (220, 93436398), (242, 84942180), (264, 77863665), (330, 62290932), (360, 57100021), (363, 56628120), (396, 51909110), (440, 46718199), (484, 42471090), (495, 41527288), (605, 33976872), (660, 31145466), (726, 28314060), (792, 25954555), (968, 21235545), (990, 20763644), (1089, 18876040), (1210, 16988436), (1320, 15572733), (1452, 14157030), (1815, 11325624), (1980, 10381822), (2178, 9438020), (2420, 8494218), (2904, 7078515), (3630, 5662812), (3960, 5190911), (4356, 4719010), (4840, 4247109), (5445, 3775208), (7260, 2831406), (8712, 2359505), (10890, 1887604), (14520, 1415703), (21780, 943802), (43560, 471901)]