20260900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 48684384

約数和(自身を除く): 28423484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 113, 163, 220, 226, 275, 326, 452, 550, 565, 652, 815, 1100, 1130, 1243, 1630, 1793, 2260, 2486, 2825, 3260, 3586, 4075, 4972, 5650, 6215, 7172, 8150, 8965, 11300, 12430, 16300, 17930, 18419, 24860, 31075, 35860, 36838, 44825, 62150, 73676, 89650, 92095, 124300, 179300, 184190, 202609, 368380, 405218, 460475, 810436, 920950, 1013045, 1841900, 2026090, 4052180, 5065225, 10130450, 20260900]

約数ペア:

[(1, 20260900), (2, 10130450), (4, 5065225), (5, 4052180), (10, 2026090), (11, 1841900), (20, 1013045), (22, 920950), (25, 810436), (44, 460475), (50, 405218), (55, 368380), (100, 202609), (110, 184190), (113, 179300), (163, 124300), (220, 92095), (226, 89650), (275, 73676), (326, 62150), (452, 44825), (550, 36838), (565, 35860), (652, 31075), (815, 24860), (1100, 18419), (1130, 17930), (1243, 16300), (1630, 12430), (1793, 11300), (2260, 8965), (2486, 8150), (2825, 7172), (3260, 6215), (3586, 5650), (4075, 4972)]