20923048520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{147221}}^1$

素因数の和:147279

約数の個数: 128

約数和(自身を含む): 57239913600

約数和(自身を除く): 36316865080

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 110, 136, 152, 170, 187, 190, 209, 220, 323, 340, 374, 380, 418, 440, 646, 680, 748, 760, 836, 935, 1045, 1292, 1496, 1615, 1672, 1870, 2090, 2584, 3230, 3553, 3740, 4180, 6460, 7106, 7480, 8360, 12920, 14212, 17765, 28424, 35530, 71060, 142120, 147221, 294442, 588884, 736105, 1177768, 1472210, 1619431, 2502757, 2797199, 2944420, 3238862, 5005514, 5594398, 5888840, 6477724, 8097155, 10011028, 11188796, 12513785, 12955448, 13985995, 16194310, 20022056, 22377592, 25027570, 27530327, 27971990, 30769189, 32388620, 47552383, 50055140, 55060654, 55943980, 61538378, 64777240, 95104766, 100110280, 110121308, 111887960, 123076756, 137651635, 153845945, 190209532, 220242616, 237761915, 246153512, 275303270, 307691890, 380419064, 475523830, 523076213, 550606540, 615383780, 951047660, 1046152426, 1101213080, 1230767560, 1902095320, 2092304852, 2615381065, 4184609704, 5230762130, 10461524260, 20923048520]

約数ペア:

[(1, 20923048520), (2, 10461524260), (4, 5230762130), (5, 4184609704), (8, 2615381065), (10, 2092304852), (11, 1902095320), (17, 1230767560), (19, 1101213080), (20, 1046152426), (22, 951047660), (34, 615383780), (38, 550606540), (40, 523076213), (44, 475523830), (55, 380419064), (68, 307691890), (76, 275303270), (85, 246153512), (88, 237761915), (95, 220242616), (110, 190209532), (136, 153845945), (152, 137651635), (170, 123076756), (187, 111887960), (190, 110121308), (209, 100110280), (220, 95104766), (323, 64777240), (340, 61538378), (374, 55943980), (380, 55060654), (418, 50055140), (440, 47552383), (646, 32388620), (680, 30769189), (748, 27971990), (760, 27530327), (836, 25027570), (935, 22377592), (1045, 20022056), (1292, 16194310), (1496, 13985995), (1615, 12955448), (1672, 12513785), (1870, 11188796), (2090, 10011028), (2584, 8097155), (3230, 6477724), (3553, 5888840), (3740, 5594398), (4180, 5005514), (6460, 3238862), (7106, 2944420), (7480, 2797199), (8360, 2502757), (12920, 1619431), (14212, 1472210), (17765, 1177768), (28424, 736105), (35530, 588884), (71060, 294442), (142120, 147221)]