20177673040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{493583}}^1$

素因数の和:493676

約数の個数: 80

約数和(自身を含む): 54349521408

約数和(自身を除く): 34171848368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 8176, 10220, 20440, 40880, 493583, 987166, 1974332, 2467915, 3455081, 3948664, 4935830, 6910162, 7897328, 9871660, 13820324, 17275405, 19743320, 27640648, 34550810, 36031559, 39486640, 55281296, 69101620, 72063118, 138203240, 144126236, 180157795, 252220913, 276406480, 288252472, 360315590, 504441826, 576504944, 720631180, 1008883652, 1261104565, 1441262360, 2017767304, 2522209130, 2882524720, 4035534608, 5044418260, 10088836520, 20177673040]

約数ペア:

[(1, 20177673040), (2, 10088836520), (4, 5044418260), (5, 4035534608), (7, 2882524720), (8, 2522209130), (10, 2017767304), (14, 1441262360), (16, 1261104565), (20, 1008883652), (28, 720631180), (35, 576504944), (40, 504441826), (56, 360315590), (70, 288252472), (73, 276406480), (80, 252220913), (112, 180157795), (140, 144126236), (146, 138203240), (280, 72063118), (292, 69101620), (365, 55281296), (511, 39486640), (560, 36031559), (584, 34550810), (730, 27640648), (1022, 19743320), (1168, 17275405), (1460, 13820324), (2044, 9871660), (2555, 7897328), (2920, 6910162), (4088, 4935830), (5110, 3948664), (5840, 3455081), (8176, 2467915), (10220, 1974332), (20440, 987166), (40880, 493583)]