20120884080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7621547}}^1$

素因数の和:7621574

約数の個数: 80

約数和(自身を含む): 68045180544

約数和(自身を除く): 47924296464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7621547, 15243094, 22864641, 30486188, 38107735, 45729282, 60972376, 76215470, 83837017, 91458564, 114323205, 121944752, 152430940, 167674034, 182917128, 228646410, 251511051, 304861880, 335348068, 365834256, 419185085, 457292820, 503022102, 609723760, 670696136, 838370170, 914585640, 1006044204, 1257555255, 1341392272, 1676740340, 1829171280, 2012088408, 2515110510, 3353480680, 4024176816, 5030221020, 6706961360, 10060442040, 20120884080]

約数ペア:

[(1, 20120884080), (2, 10060442040), (3, 6706961360), (4, 5030221020), (5, 4024176816), (6, 3353480680), (8, 2515110510), (10, 2012088408), (11, 1829171280), (12, 1676740340), (15, 1341392272), (16, 1257555255), (20, 1006044204), (22, 914585640), (24, 838370170), (30, 670696136), (33, 609723760), (40, 503022102), (44, 457292820), (48, 419185085), (55, 365834256), (60, 335348068), (66, 304861880), (80, 251511051), (88, 228646410), (110, 182917128), (120, 167674034), (132, 152430940), (165, 121944752), (176, 114323205), (220, 91458564), (240, 83837017), (264, 76215470), (330, 60972376), (440, 45729282), (528, 38107735), (660, 30486188), (880, 22864641), (1320, 15243094), (2640, 7621547)]