20092030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 43794432

約数和(自身を除く): 23702402

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 47, 62, 70, 94, 155, 197, 217, 235, 310, 329, 394, 434, 470, 658, 985, 1085, 1379, 1457, 1645, 1970, 2170, 2758, 2914, 3290, 6107, 6895, 7285, 9259, 10199, 12214, 13790, 14570, 18518, 20398, 30535, 42749, 46295, 50995, 61070, 64813, 85498, 92590, 101990, 129626, 213745, 287029, 324065, 427490, 574058, 648130, 1435145, 2009203, 2870290, 4018406, 10046015, 20092030]

約数ペア:

[(1, 20092030), (2, 10046015), (5, 4018406), (7, 2870290), (10, 2009203), (14, 1435145), (31, 648130), (35, 574058), (47, 427490), (62, 324065), (70, 287029), (94, 213745), (155, 129626), (197, 101990), (217, 92590), (235, 85498), (310, 64813), (329, 61070), (394, 50995), (434, 46295), (470, 42749), (658, 30535), (985, 20398), (1085, 18518), (1379, 14570), (1457, 13790), (1645, 12214), (1970, 10199), (2170, 9259), (2758, 7285), (2914, 6895), (3290, 6107)]