20763460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 46566576

約数和(自身を除く): 25803116

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 340, 346, 353, 692, 706, 865, 1412, 1730, 1765, 2941, 3460, 3530, 5882, 6001, 7060, 11764, 12002, 14705, 24004, 29410, 30005, 58820, 60010, 61069, 120020, 122138, 244276, 305345, 610690, 1038173, 1221380, 2076346, 4152692, 5190865, 10381730, 20763460]

約数ペア:

[(1, 20763460), (2, 10381730), (4, 5190865), (5, 4152692), (10, 2076346), (17, 1221380), (20, 1038173), (34, 610690), (68, 305345), (85, 244276), (170, 122138), (173, 120020), (340, 61069), (346, 60010), (353, 58820), (692, 30005), (706, 29410), (865, 24004), (1412, 14705), (1730, 12002), (1765, 11764), (2941, 7060), (3460, 6001), (3530, 5882)]