20166435328

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131731}}^1$

素因数の和:131785

約数の個数: 80

約数和(自身を含む): 45279976896

約数和(自身を除く): 25113541568

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 256, 299, 368, 416, 512, 598, 736, 832, 1196, 1472, 1664, 2392, 2944, 3328, 4784, 5888, 6656, 9568, 11776, 19136, 38272, 76544, 131731, 153088, 263462, 526924, 1053848, 1712503, 2107696, 3029813, 3425006, 4215392, 6059626, 6850012, 8430784, 12119252, 13700024, 16861568, 24238504, 27400048, 33723136, 39387569, 48477008, 54800096, 67446272, 78775138, 96954016, 109600192, 157550276, 193908032, 219200384, 315100552, 387816064, 438400768, 630201104, 775632128, 876801536, 1260402208, 1551264256, 2520804416, 5041608832, 10083217664, 20166435328]

約数ペア:

[(1, 20166435328), (2, 10083217664), (4, 5041608832), (8, 2520804416), (13, 1551264256), (16, 1260402208), (23, 876801536), (26, 775632128), (32, 630201104), (46, 438400768), (52, 387816064), (64, 315100552), (92, 219200384), (104, 193908032), (128, 157550276), (184, 109600192), (208, 96954016), (256, 78775138), (299, 67446272), (368, 54800096), (416, 48477008), (512, 39387569), (598, 33723136), (736, 27400048), (832, 24238504), (1196, 16861568), (1472, 13700024), (1664, 12119252), (2392, 8430784), (2944, 6850012), (3328, 6059626), (4784, 4215392), (5888, 3425006), (6656, 3029813), (9568, 2107696), (11776, 1712503), (19136, 1053848), (38272, 526924), (76544, 263462), (131731, 153088)]