20165635664

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{3559}}^1$

素因数の和:3852

約数の個数: 80

約数和(自身を含む): 41477702400

約数和(自身を除く): 21312066736

約数列:

[1, 2, 4, 8, 16, 23, 46, 89, 92, 173, 178, 184, 346, 356, 368, 692, 712, 1384, 1424, 2047, 2768, 3559, 3979, 4094, 7118, 7958, 8188, 14236, 15397, 15916, 16376, 28472, 30794, 31832, 32752, 56944, 61588, 63664, 81857, 123176, 163714, 246352, 316751, 327428, 354131, 615707, 633502, 654856, 708262, 1231414, 1267004, 1309712, 1416524, 2462828, 2534008, 2833048, 4925656, 5068016, 5666096, 7285273, 9851312, 14161261, 14570546, 28322522, 29141092, 54797923, 56645044, 58282184, 109595846, 113290088, 116564368, 219191692, 226580176, 438383384, 876766768, 1260352229, 2520704458, 5041408916, 10082817832, 20165635664]

約数ペア:

[(1, 20165635664), (2, 10082817832), (4, 5041408916), (8, 2520704458), (16, 1260352229), (23, 876766768), (46, 438383384), (89, 226580176), (92, 219191692), (173, 116564368), (178, 113290088), (184, 109595846), (346, 58282184), (356, 56645044), (368, 54797923), (692, 29141092), (712, 28322522), (1384, 14570546), (1424, 14161261), (2047, 9851312), (2768, 7285273), (3559, 5666096), (3979, 5068016), (4094, 4925656), (7118, 2833048), (7958, 2534008), (8188, 2462828), (14236, 1416524), (15397, 1309712), (15916, 1267004), (16376, 1231414), (28472, 708262), (30794, 654856), (31832, 633502), (32752, 615707), (56944, 354131), (61588, 327428), (63664, 316751), (81857, 246352), (123176, 163714)]