20689170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 32498670

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 113, 170, 226, 255, 339, 359, 510, 565, 678, 718, 1077, 1130, 1695, 1795, 1921, 2154, 3390, 3590, 3842, 5385, 5763, 6103, 9605, 10770, 11526, 12206, 18309, 19210, 28815, 30515, 36618, 40567, 57630, 61030, 81134, 91545, 121701, 183090, 202835, 243402, 405670, 608505, 689639, 1217010, 1379278, 2068917, 3448195, 4137834, 6896390, 10344585, 20689170]

約数ペア:

[(1, 20689170), (2, 10344585), (3, 6896390), (5, 4137834), (6, 3448195), (10, 2068917), (15, 1379278), (17, 1217010), (30, 689639), (34, 608505), (51, 405670), (85, 243402), (102, 202835), (113, 183090), (170, 121701), (226, 91545), (255, 81134), (339, 61030), (359, 57630), (510, 40567), (565, 36618), (678, 30515), (718, 28815), (1077, 19210), (1130, 18309), (1695, 12206), (1795, 11526), (1921, 10770), (2154, 9605), (3390, 6103), (3590, 5763), (3842, 5385)]