20199071109

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1009}}^1$

素因数の和:1271

約数の個数: 96

約数和(自身を含む): 33956167680

約数和(自身を除く): 13757096571

約数列:

[1, 3, 7, 21, 23, 31, 49, 69, 93, 147, 161, 191, 217, 483, 573, 651, 713, 1009, 1127, 1337, 1519, 2139, 3027, 3381, 4011, 4393, 4557, 4991, 5921, 7063, 9359, 13179, 14973, 17763, 21189, 23207, 28077, 30751, 31279, 34937, 41447, 49441, 69621, 92253, 93837, 104811, 124341, 136183, 148323, 162449, 192719, 215257, 218953, 290129, 408549, 487347, 578157, 645771, 656859, 719417, 870387, 953281, 1137143, 1349033, 1532671, 2158251, 2859843, 3411429, 4047099, 4432537, 4598013, 5035919, 5974289, 6672967, 9443231, 13297611, 15107757, 17922867, 20018901, 28329693, 31027759, 35251433, 41820023, 93083277, 105754299, 125460069, 137408647, 217194313, 292740161, 412225941, 651582939, 878220483, 961860529, 2885581587, 6733023703, 20199071109]

約数ペア:

[(1, 20199071109), (3, 6733023703), (7, 2885581587), (21, 961860529), (23, 878220483), (31, 651582939), (49, 412225941), (69, 292740161), (93, 217194313), (147, 137408647), (161, 125460069), (191, 105754299), (217, 93083277), (483, 41820023), (573, 35251433), (651, 31027759), (713, 28329693), (1009, 20018901), (1127, 17922867), (1337, 15107757), (1519, 13297611), (2139, 9443231), (3027, 6672967), (3381, 5974289), (4011, 5035919), (4393, 4598013), (4557, 4432537), (4991, 4047099), (5921, 3411429), (7063, 2859843), (9359, 2158251), (13179, 1532671), (14973, 1349033), (17763, 1137143), (21189, 953281), (23207, 870387), (28077, 719417), (30751, 656859), (31279, 645771), (34937, 578157), (41447, 487347), (49441, 408549), (69621, 290129), (92253, 218953), (93837, 215257), (104811, 192719), (124341, 162449), (136183, 148323)]