20948148

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2633}}^1$

素因数の和:2673

約数の個数: 72

約数和(自身を含む): 60402888

約数和(自身を除く): 39454740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2633, 2652, 3978, 5266, 7899, 7956, 10532, 15798, 23697, 31596, 34229, 44761, 47394, 68458, 89522, 94788, 102687, 134283, 136916, 179044, 205374, 268566, 308061, 402849, 410748, 537132, 581893, 616122, 805698, 1163786, 1232244, 1611396, 1745679, 2327572, 3491358, 5237037, 6982716, 10474074, 20948148]

約数ペア:

[(1, 20948148), (2, 10474074), (3, 6982716), (4, 5237037), (6, 3491358), (9, 2327572), (12, 1745679), (13, 1611396), (17, 1232244), (18, 1163786), (26, 805698), (34, 616122), (36, 581893), (39, 537132), (51, 410748), (52, 402849), (68, 308061), (78, 268566), (102, 205374), (117, 179044), (153, 136916), (156, 134283), (204, 102687), (221, 94788), (234, 89522), (306, 68458), (442, 47394), (468, 44761), (612, 34229), (663, 31596), (884, 23697), (1326, 15798), (1989, 10532), (2633, 7956), (2652, 7899), (3978, 5266)]