20126203460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1163}}^1\times {\mathrm{7151}}^1$

素因数の和:8345

約数の個数: 72

約数和(自身を含む): 46503047808

約数和(自身を除く): 26376844348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1163, 1210, 2326, 2420, 4652, 5815, 7151, 11630, 12793, 14302, 23260, 25586, 28604, 35755, 51172, 63965, 71510, 78661, 127930, 140723, 143020, 157322, 255860, 281446, 314644, 393305, 562892, 703615, 786610, 865271, 1407230, 1573220, 1730542, 2814460, 3461084, 4326355, 8316613, 8652710, 16633226, 17305420, 33266452, 41583065, 83166130, 91482743, 166332260, 182965486, 365930972, 457413715, 914827430, 1006310173, 1829654860, 2012620346, 4025240692, 5031550865, 10063101730, 20126203460]

約数ペア:

[(1, 20126203460), (2, 10063101730), (4, 5031550865), (5, 4025240692), (10, 2012620346), (11, 1829654860), (20, 1006310173), (22, 914827430), (44, 457413715), (55, 365930972), (110, 182965486), (121, 166332260), (220, 91482743), (242, 83166130), (484, 41583065), (605, 33266452), (1163, 17305420), (1210, 16633226), (2326, 8652710), (2420, 8316613), (4652, 4326355), (5815, 3461084), (7151, 2814460), (11630, 1730542), (12793, 1573220), (14302, 1407230), (23260, 865271), (25586, 786610), (28604, 703615), (35755, 562892), (51172, 393305), (63965, 314644), (71510, 281446), (78661, 255860), (127930, 157322), (140723, 143020)]