20631684

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 49690368

約数和(自身を除く): 29058684

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 157, 188, 233, 282, 314, 466, 471, 564, 628, 699, 932, 942, 1398, 1884, 2796, 7379, 10951, 14758, 21902, 22137, 29516, 32853, 36581, 43804, 44274, 65706, 73162, 88548, 109743, 131412, 146324, 219486, 438972, 1719307, 3438614, 5157921, 6877228, 10315842, 20631684]

約数ペア:

[(1, 20631684), (2, 10315842), (3, 6877228), (4, 5157921), (6, 3438614), (12, 1719307), (47, 438972), (94, 219486), (141, 146324), (157, 131412), (188, 109743), (233, 88548), (282, 73162), (314, 65706), (466, 44274), (471, 43804), (564, 36581), (628, 32853), (699, 29516), (932, 22137), (942, 21902), (1398, 14758), (1884, 10951), (2796, 7379)]