20405494824

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{30181}}^1$

素因数の和:30411

約数の個数: 128

約数和(自身を含む): 60238442880

約数和(自身を除く): 39832948056

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 197, 264, 286, 312, 394, 429, 572, 591, 788, 858, 1144, 1182, 1576, 1716, 2167, 2364, 2561, 3432, 4334, 4728, 5122, 6501, 7683, 8668, 10244, 13002, 15366, 17336, 20488, 26004, 28171, 30181, 30732, 52008, 56342, 60362, 61464, 84513, 90543, 112684, 120724, 169026, 181086, 225368, 241448, 331991, 338052, 362172, 392353, 663982, 676104, 724344, 784706, 995973, 1177059, 1327964, 1569412, 1991946, 2354118, 2655928, 3138824, 3983892, 4315883, 4708236, 5945657, 7967784, 8631766, 9416472, 11891314, 12947649, 17263532, 17836971, 23782628, 25895298, 34527064, 35673942, 47565256, 51790596, 65402227, 71347884, 77293541, 103581192, 130804454, 142695768, 154587082, 196206681, 231880623, 261608908, 309174164, 392413362, 463761246, 523217816, 618348328, 784826724, 850228951, 927522492, 1569653448, 1700457902, 1855044984, 2550686853, 3400915804, 5101373706, 6801831608, 10202747412, 20405494824]

約数ペア:

[(1, 20405494824), (2, 10202747412), (3, 6801831608), (4, 5101373706), (6, 3400915804), (8, 2550686853), (11, 1855044984), (12, 1700457902), (13, 1569653448), (22, 927522492), (24, 850228951), (26, 784826724), (33, 618348328), (39, 523217816), (44, 463761246), (52, 392413362), (66, 309174164), (78, 261608908), (88, 231880623), (104, 196206681), (132, 154587082), (143, 142695768), (156, 130804454), (197, 103581192), (264, 77293541), (286, 71347884), (312, 65402227), (394, 51790596), (429, 47565256), (572, 35673942), (591, 34527064), (788, 25895298), (858, 23782628), (1144, 17836971), (1182, 17263532), (1576, 12947649), (1716, 11891314), (2167, 9416472), (2364, 8631766), (2561, 7967784), (3432, 5945657), (4334, 4708236), (4728, 4315883), (5122, 3983892), (6501, 3138824), (7683, 2655928), (8668, 2354118), (10244, 1991946), (13002, 1569412), (15366, 1327964), (17336, 1177059), (20488, 995973), (26004, 784706), (28171, 724344), (30181, 676104), (30732, 663982), (52008, 392353), (56342, 362172), (60362, 338052), (61464, 331991), (84513, 241448), (90543, 225368), (112684, 181086), (120724, 169026)]