20211274976

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{1181}}^1$

素因数の和:1564

約数の個数: 96

約数和(自身を含む): 42645784608

約数和(自身を除く): 22434509632

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 163, 193, 272, 326, 386, 544, 652, 772, 1181, 1304, 1544, 2362, 2608, 2771, 3088, 3281, 4724, 5216, 5542, 6176, 6562, 9448, 11084, 13124, 18896, 20077, 22168, 26248, 31459, 37792, 40154, 44336, 52496, 62918, 80308, 88672, 104992, 125836, 160616, 192503, 227933, 251672, 321232, 385006, 455866, 503344, 534803, 642464, 770012, 911732, 1006688, 1069606, 1540024, 1823464, 2139212, 3080048, 3272551, 3646928, 3874861, 4278424, 6160096, 6545102, 7293856, 7749722, 8556848, 13090204, 15499444, 17113696, 26180408, 30998888, 37153079, 52360816, 61997776, 74306158, 104721632, 123995552, 148612316, 297224632, 594449264, 631602343, 1188898528, 1263204686, 2526409372, 5052818744, 10105637488, 20211274976]

約数ペア:

[(1, 20211274976), (2, 10105637488), (4, 5052818744), (8, 2526409372), (16, 1263204686), (17, 1188898528), (32, 631602343), (34, 594449264), (68, 297224632), (136, 148612316), (163, 123995552), (193, 104721632), (272, 74306158), (326, 61997776), (386, 52360816), (544, 37153079), (652, 30998888), (772, 26180408), (1181, 17113696), (1304, 15499444), (1544, 13090204), (2362, 8556848), (2608, 7749722), (2771, 7293856), (3088, 6545102), (3281, 6160096), (4724, 4278424), (5216, 3874861), (5542, 3646928), (6176, 3272551), (6562, 3080048), (9448, 2139212), (11084, 1823464), (13124, 1540024), (18896, 1069606), (20077, 1006688), (22168, 911732), (26248, 770012), (31459, 642464), (37792, 534803), (40154, 503344), (44336, 455866), (52496, 385006), (62918, 321232), (80308, 251672), (88672, 227933), (104992, 192503), (125836, 160616)]