20343390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 52301376

約数和(自身を除く): 31957986

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 113, 170, 226, 255, 339, 353, 510, 565, 678, 706, 1059, 1130, 1695, 1765, 1921, 2118, 3390, 3530, 3842, 5295, 5763, 6001, 9605, 10590, 11526, 12002, 18003, 19210, 28815, 30005, 36006, 39889, 57630, 60010, 79778, 90015, 119667, 180030, 199445, 239334, 398890, 598335, 678113, 1196670, 1356226, 2034339, 3390565, 4068678, 6781130, 10171695, 20343390]

約数ペア:

[(1, 20343390), (2, 10171695), (3, 6781130), (5, 4068678), (6, 3390565), (10, 2034339), (15, 1356226), (17, 1196670), (30, 678113), (34, 598335), (51, 398890), (85, 239334), (102, 199445), (113, 180030), (170, 119667), (226, 90015), (255, 79778), (339, 60010), (353, 57630), (510, 39889), (565, 36006), (678, 30005), (706, 28815), (1059, 19210), (1130, 18003), (1695, 12002), (1765, 11526), (1921, 10590), (2118, 9605), (3390, 6001), (3530, 5763), (3842, 5295)]