20238418040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{16519}}^1$

素因数の和:16920

約数の個数: 64

約数和(自身を含む): 46120536000

約数和(自身を除く): 25882117960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 281, 436, 545, 562, 872, 1090, 1124, 1405, 2180, 2248, 2810, 4360, 5620, 11240, 16519, 30629, 33038, 61258, 66076, 82595, 122516, 132152, 153145, 165190, 245032, 306290, 330380, 612580, 660760, 1225160, 1800571, 3601142, 4641839, 7202284, 9002855, 9283678, 14404568, 18005710, 18567356, 23209195, 36011420, 37134712, 46418390, 72022840, 92836780, 185673560, 505960451, 1011920902, 2023841804, 2529802255, 4047683608, 5059604510, 10119209020, 20238418040]

約数ペア:

[(1, 20238418040), (2, 10119209020), (4, 5059604510), (5, 4047683608), (8, 2529802255), (10, 2023841804), (20, 1011920902), (40, 505960451), (109, 185673560), (218, 92836780), (281, 72022840), (436, 46418390), (545, 37134712), (562, 36011420), (872, 23209195), (1090, 18567356), (1124, 18005710), (1405, 14404568), (2180, 9283678), (2248, 9002855), (2810, 7202284), (4360, 4641839), (5620, 3601142), (11240, 1800571), (16519, 1225160), (30629, 660760), (33038, 612580), (61258, 330380), (66076, 306290), (82595, 245032), (122516, 165190), (132152, 153145)]