20104740796

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 43143347520

約数和(自身を除く): 23038606724

約数列:

[1, 2, 4, 7, 14, 28, 29, 53, 58, 89, 106, 116, 178, 181, 203, 212, 356, 362, 371, 406, 623, 724, 742, 812, 841, 1246, 1267, 1484, 1537, 1682, 2492, 2534, 2581, 3074, 3364, 4717, 5068, 5162, 5249, 5887, 6148, 9434, 9593, 10324, 10498, 10759, 11774, 16109, 18067, 18868, 19186, 20996, 21518, 23548, 32218, 33019, 36134, 36743, 38372, 43036, 44573, 64436, 66038, 67151, 72268, 73486, 74849, 89146, 112763, 132076, 134302, 136793, 146972, 149698, 152221, 178292, 225526, 268604, 273586, 278197, 299396, 304442, 312011, 451052, 467161, 523943, 547172, 556394, 608884, 624022, 853777, 934322, 957551, 1047886, 1065547, 1112788, 1248044, 1707554, 1868644, 1915102, 1947379, 2095772, 2131094, 3270127, 3415108, 3830204, 3894758, 3966997, 4262188, 5976439, 6540254, 7789516, 7933994, 8067713, 11952878, 13080508, 13547669, 15867988, 16135426, 23905756, 24759533, 27095338, 27768979, 32270852, 49519066, 54190676, 55537958, 56473991, 94833683, 99038132, 111075916, 112947982, 173316731, 189667366, 225895964, 346633462, 379334732, 693266924, 718026457, 1436052914, 2872105828, 5026185199, 10052370398, 20104740796]

約数ペア:

[(1, 20104740796), (2, 10052370398), (4, 5026185199), (7, 2872105828), (14, 1436052914), (28, 718026457), (29, 693266924), (53, 379334732), (58, 346633462), (89, 225895964), (106, 189667366), (116, 173316731), (178, 112947982), (181, 111075916), (203, 99038132), (212, 94833683), (356, 56473991), (362, 55537958), (371, 54190676), (406, 49519066), (623, 32270852), (724, 27768979), (742, 27095338), (812, 24759533), (841, 23905756), (1246, 16135426), (1267, 15867988), (1484, 13547669), (1537, 13080508), (1682, 11952878), (2492, 8067713), (2534, 7933994), (2581, 7789516), (3074, 6540254), (3364, 5976439), (4717, 4262188), (5068, 3966997), (5162, 3894758), (5249, 3830204), (5887, 3415108), (6148, 3270127), (9434, 2131094), (9593, 2095772), (10324, 1947379), (10498, 1915102), (10759, 1868644), (11774, 1707554), (16109, 1248044), (18067, 1112788), (18868, 1065547), (19186, 1047886), (20996, 957551), (21518, 934322), (23548, 853777), (32218, 624022), (33019, 608884), (36134, 556394), (36743, 547172), (38372, 523943), (43036, 467161), (44573, 451052), (64436, 312011), (66038, 304442), (67151, 299396), (72268, 278197), (73486, 273586), (74849, 268604), (89146, 225526), (112763, 178292), (132076, 152221), (134302, 149698), (136793, 146972)]