20066865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 40330752

約数和(自身を除く): 20263887

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 61, 65, 91, 105, 183, 195, 241, 273, 305, 427, 455, 723, 793, 915, 1205, 1281, 1365, 1687, 2135, 2379, 3133, 3615, 3965, 5061, 5551, 6405, 8435, 9399, 11895, 14701, 15665, 16653, 21931, 25305, 27755, 44103, 46995, 65793, 73505, 83265, 102907, 109655, 191113, 220515, 308721, 328965, 514535, 573339, 955565, 1337791, 1543605, 2866695, 4013373, 6688955, 20066865]

約数ペア:

[(1, 20066865), (3, 6688955), (5, 4013373), (7, 2866695), (13, 1543605), (15, 1337791), (21, 955565), (35, 573339), (39, 514535), (61, 328965), (65, 308721), (91, 220515), (105, 191113), (183, 109655), (195, 102907), (241, 83265), (273, 73505), (305, 65793), (427, 46995), (455, 44103), (723, 27755), (793, 25305), (915, 21931), (1205, 16653), (1281, 15665), (1365, 14701), (1687, 11895), (2135, 9399), (2379, 8435), (3133, 6405), (3615, 5551), (3965, 5061)]