20216356690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{3313}}^1$

素因数の和:4003

約数の個数: 64

約数和(自身を含む): 38929372416

約数和(自身を除く): 18713015726

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 617, 989, 1234, 1978, 3085, 3313, 4945, 6170, 6626, 9890, 14191, 16565, 26531, 28382, 33130, 53062, 70955, 76199, 132655, 141910, 142459, 152398, 265310, 284918, 380995, 610213, 712295, 761990, 1220426, 1424590, 2044121, 3051065, 3276557, 4088242, 6102130, 6553114, 10220605, 16382785, 20441210, 32765570, 47014783, 87897203, 94029566, 175794406, 235073915, 439486015, 470147830, 878972030, 2021635669, 4043271338, 10108178345, 20216356690]

約数ペア:

[(1, 20216356690), (2, 10108178345), (5, 4043271338), (10, 2021635669), (23, 878972030), (43, 470147830), (46, 439486015), (86, 235073915), (115, 175794406), (215, 94029566), (230, 87897203), (430, 47014783), (617, 32765570), (989, 20441210), (1234, 16382785), (1978, 10220605), (3085, 6553114), (3313, 6102130), (4945, 4088242), (6170, 3276557), (6626, 3051065), (9890, 2044121), (14191, 1424590), (16565, 1220426), (26531, 761990), (28382, 712295), (33130, 610213), (53062, 380995), (70955, 284918), (76199, 265310), (132655, 152398), (141910, 142459)]