20938152

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 60739200

約数和(自身を除く): 39801048

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 37, 38, 51, 57, 68, 73, 74, 76, 102, 111, 114, 136, 146, 148, 152, 204, 219, 222, 228, 292, 296, 323, 408, 438, 444, 456, 584, 629, 646, 703, 876, 888, 969, 1241, 1258, 1292, 1387, 1406, 1752, 1887, 1938, 2109, 2482, 2516, 2584, 2701, 2774, 2812, 3723, 3774, 3876, 4161, 4218, 4964, 5032, 5402, 5548, 5624, 7446, 7548, 7752, 8103, 8322, 8436, 9928, 10804, 11096, 11951, 14892, 15096, 16206, 16644, 16872, 21608, 23579, 23902, 29784, 32412, 33288, 35853, 45917, 47158, 47804, 51319, 64824, 70737, 71706, 91834, 94316, 95608, 102638, 137751, 141474, 143412, 153957, 183668, 188632, 205276, 275502, 282948, 286824, 307914, 367336, 410552, 551004, 565896, 615828, 872423, 1102008, 1231656, 1744846, 2617269, 3489692, 5234538, 6979384, 10469076, 20938152]

約数ペア:

[(1, 20938152), (2, 10469076), (3, 6979384), (4, 5234538), (6, 3489692), (8, 2617269), (12, 1744846), (17, 1231656), (19, 1102008), (24, 872423), (34, 615828), (37, 565896), (38, 551004), (51, 410552), (57, 367336), (68, 307914), (73, 286824), (74, 282948), (76, 275502), (102, 205276), (111, 188632), (114, 183668), (136, 153957), (146, 143412), (148, 141474), (152, 137751), (204, 102638), (219, 95608), (222, 94316), (228, 91834), (292, 71706), (296, 70737), (323, 64824), (408, 51319), (438, 47804), (444, 47158), (456, 45917), (584, 35853), (629, 33288), (646, 32412), (703, 29784), (876, 23902), (888, 23579), (969, 21608), (1241, 16872), (1258, 16644), (1292, 16206), (1387, 15096), (1406, 14892), (1752, 11951), (1887, 11096), (1938, 10804), (2109, 9928), (2482, 8436), (2516, 8322), (2584, 8103), (2701, 7752), (2774, 7548), (2812, 7446), (3723, 5624), (3774, 5548), (3876, 5402), (4161, 5032), (4218, 4964)]