20073553390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{259583}}^1$

素因数の和:259657

約数の個数: 64

約数和(自身を含む): 42613309440

約数和(自身を除く): 22539756050

約数列:

[1, 2, 5, 10, 11, 19, 22, 37, 38, 55, 74, 95, 110, 185, 190, 209, 370, 407, 418, 703, 814, 1045, 1406, 2035, 2090, 3515, 4070, 7030, 7733, 15466, 38665, 77330, 259583, 519166, 1297915, 2595830, 2855413, 4932077, 5710826, 9604571, 9864154, 14277065, 19209142, 24660385, 28554130, 48022855, 49320770, 54252847, 96045710, 105650281, 108505694, 182486849, 211300562, 271264235, 364973698, 528251405, 542528470, 912434245, 1056502810, 1824868490, 2007355339, 4014710678, 10036776695, 20073553390]

約数ペア:

[(1, 20073553390), (2, 10036776695), (5, 4014710678), (10, 2007355339), (11, 1824868490), (19, 1056502810), (22, 912434245), (37, 542528470), (38, 528251405), (55, 364973698), (74, 271264235), (95, 211300562), (110, 182486849), (185, 108505694), (190, 105650281), (209, 96045710), (370, 54252847), (407, 49320770), (418, 48022855), (703, 28554130), (814, 24660385), (1045, 19209142), (1406, 14277065), (2035, 9864154), (2090, 9604571), (3515, 5710826), (4070, 4932077), (7030, 2855413), (7733, 2595830), (15466, 1297915), (38665, 519166), (77330, 259583)]