20129196

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 48601728

約数和(自身を除く): 28472532

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 163, 164, 246, 251, 326, 489, 492, 502, 652, 753, 978, 1004, 1506, 1956, 3012, 6683, 10291, 13366, 20049, 20582, 26732, 30873, 40098, 40913, 41164, 61746, 80196, 81826, 122739, 123492, 163652, 245478, 490956, 1677433, 3354866, 5032299, 6709732, 10064598, 20129196]

約数ペア:

[(1, 20129196), (2, 10064598), (3, 6709732), (4, 5032299), (6, 3354866), (12, 1677433), (41, 490956), (82, 245478), (123, 163652), (163, 123492), (164, 122739), (246, 81826), (251, 80196), (326, 61746), (489, 41164), (492, 40913), (502, 40098), (652, 30873), (753, 26732), (978, 20582), (1004, 20049), (1506, 13366), (1956, 10291), (3012, 6683)]