20159873392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{78853}}^1$

素因数の和:78938

約数の個数: 60

約数和(自身を含む): 42582737080

約数和(自身を除く): 22422863688

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 841, 1102, 1682, 2204, 3364, 4408, 6728, 8816, 13456, 15979, 31958, 63916, 78853, 127832, 157706, 255664, 315412, 630824, 1261648, 1498207, 2286737, 2996414, 4573474, 5992828, 9146948, 11985656, 18293896, 23971312, 36587792, 43448003, 66315373, 86896006, 132630746, 173792012, 265261492, 347584024, 530522984, 695168048, 1061045968, 1259992087, 2519984174, 5039968348, 10079936696, 20159873392]

約数ペア:

[(1, 20159873392), (2, 10079936696), (4, 5039968348), (8, 2519984174), (16, 1259992087), (19, 1061045968), (29, 695168048), (38, 530522984), (58, 347584024), (76, 265261492), (116, 173792012), (152, 132630746), (232, 86896006), (304, 66315373), (464, 43448003), (551, 36587792), (841, 23971312), (1102, 18293896), (1682, 11985656), (2204, 9146948), (3364, 5992828), (4408, 4573474), (6728, 2996414), (8816, 2286737), (13456, 1498207), (15979, 1261648), (31958, 630824), (63916, 315412), (78853, 255664), (127832, 157706)]