20119900

素因数分解:

$2^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1163}}^1$

素因数の和:1350

約数の個数: 36

約数和(自身を含む): 43950312

約数和(自身を除く): 23830412

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 173, 346, 692, 865, 1163, 1730, 2326, 3460, 4325, 4652, 5815, 8650, 11630, 17300, 23260, 29075, 58150, 116300, 201199, 402398, 804796, 1005995, 2011990, 4023980, 5029975, 10059950, 20119900]

約数ペア:

[(1, 20119900), (2, 10059950), (4, 5029975), (5, 4023980), (10, 2011990), (20, 1005995), (25, 804796), (50, 402398), (100, 201199), (173, 116300), (346, 58150), (692, 29075), (865, 23260), (1163, 17300), (1730, 11630), (2326, 8650), (3460, 5815), (4325, 4652)]