20727804928

素因数分解:

$2^{10}\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{2389}}^1$

素因数の和:2675

約数の個数: 88

約数和(自身を含む): 42758964200

約数和(自身を除く): 22031159272

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 229, 256, 296, 458, 512, 592, 916, 1024, 1184, 1832, 2368, 2389, 3664, 4736, 4778, 7328, 8473, 9472, 9556, 14656, 16946, 18944, 19112, 29312, 33892, 37888, 38224, 58624, 67784, 76448, 88393, 117248, 135568, 152896, 176786, 234496, 271136, 305792, 353572, 542272, 547081, 611584, 707144, 1084544, 1094162, 1223168, 1414288, 2169088, 2188324, 2446336, 2828576, 4338176, 4376648, 5657152, 8676352, 8753296, 11314304, 17506592, 20241997, 22628608, 35013184, 40483994, 45257216, 70026368, 80967988, 90514432, 140052736, 161935976, 280105472, 323871952, 560210944, 647743904, 1295487808, 2590975616, 5181951232, 10363902464, 20727804928]

約数ペア:

[(1, 20727804928), (2, 10363902464), (4, 5181951232), (8, 2590975616), (16, 1295487808), (32, 647743904), (37, 560210944), (64, 323871952), (74, 280105472), (128, 161935976), (148, 140052736), (229, 90514432), (256, 80967988), (296, 70026368), (458, 45257216), (512, 40483994), (592, 35013184), (916, 22628608), (1024, 20241997), (1184, 17506592), (1832, 11314304), (2368, 8753296), (2389, 8676352), (3664, 5657152), (4736, 4376648), (4778, 4338176), (7328, 2828576), (8473, 2446336), (9472, 2188324), (9556, 2169088), (14656, 1414288), (16946, 1223168), (18944, 1094162), (19112, 1084544), (29312, 707144), (33892, 611584), (37888, 547081), (38224, 542272), (58624, 353572), (67784, 305792), (76448, 271136), (88393, 234496), (117248, 176786), (135568, 152896)]