20194342480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{524801}}^1$

素因数の和:524864

約数の個数: 80

約数和(自身を含む): 51930207504

約数和(自身を除く): 31735865024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7696, 9620, 19240, 38480, 524801, 1049602, 2099204, 2624005, 4198408, 5248010, 6822413, 8396816, 10496020, 13644826, 19417637, 20992040, 27289652, 34112065, 38835274, 41984080, 54579304, 68224130, 77670548, 97088185, 109158608, 136448260, 155341096, 194176370, 252429281, 272896520, 310682192, 388352740, 504858562, 545793040, 776705480, 1009717124, 1262146405, 1553410960, 2019434248, 2524292810, 4038868496, 5048585620, 10097171240, 20194342480]

約数ペア:

[(1, 20194342480), (2, 10097171240), (4, 5048585620), (5, 4038868496), (8, 2524292810), (10, 2019434248), (13, 1553410960), (16, 1262146405), (20, 1009717124), (26, 776705480), (37, 545793040), (40, 504858562), (52, 388352740), (65, 310682192), (74, 272896520), (80, 252429281), (104, 194176370), (130, 155341096), (148, 136448260), (185, 109158608), (208, 97088185), (260, 77670548), (296, 68224130), (370, 54579304), (481, 41984080), (520, 38835274), (592, 34112065), (740, 27289652), (962, 20992040), (1040, 19417637), (1480, 13644826), (1924, 10496020), (2405, 8396816), (2960, 6822413), (3848, 5248010), (4810, 4198408), (7696, 2624005), (9620, 2099204), (19240, 1049602), (38480, 524801)]