20172991832

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{400703}}^1$

素因数の和:400776

約数の個数: 64

約数和(自身を含む): 46161100800

約数和(自身を除く): 25988108968

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 434, 812, 868, 899, 1624, 1736, 1798, 3596, 6293, 7192, 12586, 25172, 50344, 400703, 801406, 1602812, 2804921, 3205624, 5609842, 11219684, 11620387, 12421793, 22439368, 23240774, 24843586, 46481548, 49687172, 81342709, 86952551, 92963096, 99374344, 162685418, 173905102, 325370836, 347810204, 360231997, 650741672, 695620408, 720463994, 1440927988, 2521623979, 2881855976, 5043247958, 10086495916, 20172991832]

約数ペア:

[(1, 20172991832), (2, 10086495916), (4, 5043247958), (7, 2881855976), (8, 2521623979), (14, 1440927988), (28, 720463994), (29, 695620408), (31, 650741672), (56, 360231997), (58, 347810204), (62, 325370836), (116, 173905102), (124, 162685418), (203, 99374344), (217, 92963096), (232, 86952551), (248, 81342709), (406, 49687172), (434, 46481548), (812, 24843586), (868, 23240774), (899, 22439368), (1624, 12421793), (1736, 11620387), (1798, 11219684), (3596, 5609842), (6293, 3205624), (7192, 2804921), (12586, 1602812), (25172, 801406), (50344, 400703)]