20138025728

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 43020149760

約数和(自身を除く): 22882124032

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 83, 89, 92, 128, 166, 178, 184, 256, 332, 356, 368, 463, 664, 712, 736, 926, 1328, 1424, 1472, 1852, 1909, 2047, 2656, 2848, 2944, 3704, 3818, 4094, 5312, 5696, 5888, 7387, 7408, 7636, 8188, 10624, 10649, 11392, 14774, 14816, 15272, 16376, 21248, 21298, 22784, 29548, 29632, 30544, 32752, 38429, 41207, 42596, 59096, 59264, 61088, 65504, 76858, 82414, 85192, 118192, 118528, 122176, 131008, 153716, 164828, 169901, 170384, 236384, 244352, 262016, 307432, 329656, 339802, 340768, 472768, 488704, 524032, 614864, 659312, 679604, 681536, 883867, 945536, 947761, 1229728, 1318624, 1359208, 1363072, 1767734, 1891072, 1895522, 2459456, 2637248, 2718416, 2726144, 3420181, 3535468, 3791044, 4918912, 5274496, 5436832, 6840362, 7070936, 7582088, 9837824, 10548992, 10873664, 13680724, 14141872, 15164176, 21747328, 27361448, 28283744, 30328352, 43494656, 54722896, 56567488, 60656704, 78664163, 109445792, 113134976, 121313408, 157328326, 218891584, 226269952, 242626816, 314656652, 437783168, 629313304, 875566336, 1258626608, 2517253216, 5034506432, 10069012864, 20138025728]

約数ペア:

[(1, 20138025728), (2, 10069012864), (4, 5034506432), (8, 2517253216), (16, 1258626608), (23, 875566336), (32, 629313304), (46, 437783168), (64, 314656652), (83, 242626816), (89, 226269952), (92, 218891584), (128, 157328326), (166, 121313408), (178, 113134976), (184, 109445792), (256, 78664163), (332, 60656704), (356, 56567488), (368, 54722896), (463, 43494656), (664, 30328352), (712, 28283744), (736, 27361448), (926, 21747328), (1328, 15164176), (1424, 14141872), (1472, 13680724), (1852, 10873664), (1909, 10548992), (2047, 9837824), (2656, 7582088), (2848, 7070936), (2944, 6840362), (3704, 5436832), (3818, 5274496), (4094, 4918912), (5312, 3791044), (5696, 3535468), (5888, 3420181), (7387, 2726144), (7408, 2718416), (7636, 2637248), (8188, 2459456), (10624, 1895522), (10649, 1891072), (11392, 1767734), (14774, 1363072), (14816, 1359208), (15272, 1318624), (16376, 1229728), (21248, 947761), (21298, 945536), (22784, 883867), (29548, 681536), (29632, 679604), (30544, 659312), (32752, 614864), (38429, 524032), (41207, 488704), (42596, 472768), (59096, 340768), (59264, 339802), (61088, 329656), (65504, 307432), (76858, 262016), (82414, 244352), (85192, 236384), (118192, 170384), (118528, 169901), (122176, 164828), (131008, 153716)]