20464480

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 51819264

約数和(自身を除く): 31354784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 67, 80, 83, 92, 115, 134, 160, 166, 184, 230, 268, 332, 335, 368, 415, 460, 536, 664, 670, 736, 830, 920, 1072, 1328, 1340, 1541, 1660, 1840, 1909, 2144, 2656, 2680, 3082, 3320, 3680, 3818, 5360, 5561, 6164, 6640, 7636, 7705, 9545, 10720, 11122, 12328, 13280, 15272, 15410, 19090, 22244, 24656, 27805, 30544, 30820, 38180, 44488, 49312, 55610, 61088, 61640, 76360, 88976, 111220, 123280, 127903, 152720, 177952, 222440, 246560, 255806, 305440, 444880, 511612, 639515, 889760, 1023224, 1279030, 2046448, 2558060, 4092896, 5116120, 10232240, 20464480]

約数ペア:

[(1, 20464480), (2, 10232240), (4, 5116120), (5, 4092896), (8, 2558060), (10, 2046448), (16, 1279030), (20, 1023224), (23, 889760), (32, 639515), (40, 511612), (46, 444880), (67, 305440), (80, 255806), (83, 246560), (92, 222440), (115, 177952), (134, 152720), (160, 127903), (166, 123280), (184, 111220), (230, 88976), (268, 76360), (332, 61640), (335, 61088), (368, 55610), (415, 49312), (460, 44488), (536, 38180), (664, 30820), (670, 30544), (736, 27805), (830, 24656), (920, 22244), (1072, 19090), (1328, 15410), (1340, 15272), (1541, 13280), (1660, 12328), (1840, 11122), (1909, 10720), (2144, 9545), (2656, 7705), (2680, 7636), (3082, 6640), (3320, 6164), (3680, 5561), (3818, 5360)]