20157003904

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{2791}}^1\times {\mathrm{3319}}^1$

素因数の和:6141

約数の個数: 64

約数和(自身を含む): 42546729600

約数和(自身を除く): 22389725696

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 2791, 3319, 5582, 6638, 11164, 13276, 22328, 26552, 44656, 47447, 53104, 56423, 89312, 94894, 106208, 112846, 178624, 189788, 212416, 225692, 357248, 379576, 424832, 451384, 759152, 902768, 1518304, 1805536, 3036608, 3611072, 6073216, 7222144, 9263329, 18526658, 37053316, 74106632, 148213264, 157476593, 296426528, 314953186, 592853056, 629906372, 1185706112, 1259812744, 2519625488, 5039250976, 10078501952, 20157003904]

約数ペア:

[(1, 20157003904), (2, 10078501952), (4, 5039250976), (8, 2519625488), (16, 1259812744), (17, 1185706112), (32, 629906372), (34, 592853056), (64, 314953186), (68, 296426528), (128, 157476593), (136, 148213264), (272, 74106632), (544, 37053316), (1088, 18526658), (2176, 9263329), (2791, 7222144), (3319, 6073216), (5582, 3611072), (6638, 3036608), (11164, 1805536), (13276, 1518304), (22328, 902768), (26552, 759152), (44656, 451384), (47447, 424832), (53104, 379576), (56423, 357248), (89312, 225692), (94894, 212416), (106208, 189788), (112846, 178624)]