20346005552

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{379703}}^1$

素因数の和:379925

約数の個数: 40

約数和(自身を含む): 41951216736

約数和(自身を除く): 21605211184

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 197, 272, 394, 788, 1576, 3152, 3349, 6698, 13396, 26792, 53584, 379703, 759406, 1518812, 3037624, 6075248, 6454951, 12909902, 25819804, 51639608, 74801491, 103279216, 149602982, 299205964, 598411928, 1196823856, 1271625347, 2543250694, 5086501388, 10173002776, 20346005552]

約数ペア:

[(1, 20346005552), (2, 10173002776), (4, 5086501388), (8, 2543250694), (16, 1271625347), (17, 1196823856), (34, 598411928), (68, 299205964), (136, 149602982), (197, 103279216), (272, 74801491), (394, 51639608), (788, 25819804), (1576, 12909902), (3152, 6454951), (3349, 6075248), (6698, 3037624), (13396, 1518812), (26792, 759406), (53584, 379703)]